Home / 387,554.16-581,331.03-107,071.38

Finding the Fourth Proportional to 387,554.16, 581,331.03 and 107,071.38

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Solution

The fourth proportional to 387,554.16, 581,331.03 and 107,071.38 is: 160,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,554.16 : 581,331.03 = 107,071.38 : x
  2. Step 2: Convert to fraction form
    387,554.16/581,331.03 = 107,071.38/x
  3. Step 3: Cross multiply
    387,554.16x = 581,331.03 × 107,071.38
  4. Step 4: Simplify right side
    387,554.16x = 62,243,915,618.92
  5. Step 5: Solve for x
    x = 62,243,915,618.92/387,554.16
  6. Step 6: Final answer
    x = 160,607.01

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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.