Home / 140,537.07-194,004.45-89,618.13

Finding the Fourth Proportional to 140,537.07, 194,004.45 and 89,618.13

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Solution

The fourth proportional to 140,537.07, 194,004.45 and 89,618.13 is: 123,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537.07 : 194,004.45 = 89,618.13 : x
  2. Step 2: Convert to fraction form
    140,537.07/194,004.45 = 89,618.13/x
  3. Step 3: Cross multiply
    140,537.07x = 194,004.45 × 89,618.13
  4. Step 4: Simplify right side
    140,537.07x = 17,386,316,020.68
  5. Step 5: Solve for x
    x = 17,386,316,020.68/140,537.07
  6. Step 6: Final answer
    x = 123,713.38

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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.