Home / 174,835,625.60-262,253,438.40-128,919,123.20

Finding the Fourth Proportional to 174,835,625.60, 262,253,438.40 and 128,919,123.20

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Solution

The fourth proportional to 174,835,625.60, 262,253,438.40 and 128,919,123.20 is: 193,378,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,835,625.60 : 262,253,438.40 = 128,919,123.20 : x
  2. Step 2: Convert to fraction form
    174,835,625.60/262,253,438.40 = 128,919,123.20/x
  3. Step 3: Cross multiply
    174,835,625.60x = 262,253,438.40 × 128,919,123.20
  4. Step 4: Simplify right side
    174,835,625.60x = 33,809,483,334,713,212
  5. Step 5: Solve for x
    x = 33,809,483,334,713,212/174,835,625.60
  6. Step 6: Final answer
    x = 193,378,684.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.