Home / 153,327.60-229,991.40-128,833.20

Finding the Fourth Proportional to 153,327.60, 229,991.40 and 128,833.20

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Solution

The fourth proportional to 153,327.60, 229,991.40 and 128,833.20 is: 193,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,327.60 : 229,991.40 = 128,833.20 : x
  2. Step 2: Convert to fraction form
    153,327.60/229,991.40 = 128,833.20/x
  3. Step 3: Cross multiply
    153,327.60x = 229,991.40 × 128,833.20
  4. Step 4: Simplify right side
    153,327.60x = 29,630,528,034.48
  5. Step 5: Solve for x
    x = 29,630,528,034.48/153,327.60
  6. Step 6: Final answer
    x = 193,249.80

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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.