Home / 113,218.40-169,924.80-50,135.60

Finding the Fourth Proportional to 113,218.40, 169,924.80 and 50,135.60

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Solution

The fourth proportional to 113,218.40, 169,924.80 and 50,135.60 is: 75,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,218.40 : 169,924.80 = 50,135.60 : x
  2. Step 2: Convert to fraction form
    113,218.40/169,924.80 = 50,135.60/x
  3. Step 3: Cross multiply
    113,218.40x = 169,924.80 × 50,135.60
  4. Step 4: Simplify right side
    113,218.40x = 8,519,281,802.88
  5. Step 5: Solve for x
    x = 8,519,281,802.88/113,218.40
  6. Step 6: Final answer
    x = 75,246.44

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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.