Home / 151,555.28-227,332.91-84,128.72

Finding the Fourth Proportional to 151,555.28, 227,332.91 and 84,128.72

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Solution

The fourth proportional to 151,555.28, 227,332.91 and 84,128.72 is: 126,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,555.28 : 227,332.91 = 84,128.72 : x
  2. Step 2: Convert to fraction form
    151,555.28/227,332.91 = 84,128.72/x
  3. Step 3: Cross multiply
    151,555.28x = 227,332.91 × 84,128.72
  4. Step 4: Simplify right side
    151,555.28x = 19,125,225,805.83
  5. Step 5: Solve for x
    x = 19,125,225,805.83/151,555.28
  6. Step 6: Final answer
    x = 126,193.07

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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.