Home / 157,572.50-236,360.81-52,391.47

Finding the Fourth Proportional to 157,572.50, 236,360.81 and 52,391.47

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Solution

The fourth proportional to 157,572.50, 236,360.81 and 52,391.47 is: 78,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,572.50 : 236,360.81 = 52,391.47 : x
  2. Step 2: Convert to fraction form
    157,572.50/236,360.81 = 52,391.47/x
  3. Step 3: Cross multiply
    157,572.50x = 236,360.81 × 52,391.47
  4. Step 4: Simplify right side
    157,572.50x = 12,383,290,286.29
  5. Step 5: Solve for x
    x = 12,383,290,286.29/157,572.50
  6. Step 6: Final answer
    x = 78,587.89

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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.