Home / 157,517.69-236,234.14-57,678.40

Finding the Fourth Proportional to 157,517.69, 236,234.14 and 57,678.40

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Solution

The fourth proportional to 157,517.69, 236,234.14 and 57,678.40 is: 86,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.69 : 236,234.14 = 57,678.40 : x
  2. Step 2: Convert to fraction form
    157,517.69/236,234.14 = 57,678.40/x
  3. Step 3: Cross multiply
    157,517.69x = 236,234.14 × 57,678.40
  4. Step 4: Simplify right side
    157,517.69x = 13,625,607,220.58
  5. Step 5: Solve for x
    x = 13,625,607,220.58/157,517.69
  6. Step 6: Final answer
    x = 86,502.08

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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.