Home / 157,565.97-236,279.24-45,220.12

Finding the Fourth Proportional to 157,565.97, 236,279.24 and 45,220.12

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Solution

The fourth proportional to 157,565.97, 236,279.24 and 45,220.12 is: 67,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,565.97 : 236,279.24 = 45,220.12 : x
  2. Step 2: Convert to fraction form
    157,565.97/236,279.24 = 45,220.12/x
  3. Step 3: Cross multiply
    157,565.97x = 236,279.24 × 45,220.12
  4. Step 4: Simplify right side
    157,565.97x = 10,684,574,939.09
  5. Step 5: Solve for x
    x = 10,684,574,939.09/157,565.97
  6. Step 6: Final answer
    x = 67,810.17

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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.