Home / 151,042.01-208,437.67-86,532.13

Finding the Fourth Proportional to 151,042.01, 208,437.67 and 86,532.13

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Solution

The fourth proportional to 151,042.01, 208,437.67 and 86,532.13 is: 119,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,042.01 : 208,437.67 = 86,532.13 : x
  2. Step 2: Convert to fraction form
    151,042.01/208,437.67 = 86,532.13/x
  3. Step 3: Cross multiply
    151,042.01x = 208,437.67 × 86,532.13
  4. Step 4: Simplify right side
    151,042.01x = 18,036,554,819.91
  5. Step 5: Solve for x
    x = 18,036,554,819.91/151,042.01
  6. Step 6: Final answer
    x = 119,414.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.