Home / 157,565.40-236,172.51-82,694.04

Finding the Fourth Proportional to 157,565.40, 236,172.51 and 82,694.04

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Solution

The fourth proportional to 157,565.40, 236,172.51 and 82,694.04 is: 123,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,565.40 : 236,172.51 = 82,694.04 : x
  2. Step 2: Convert to fraction form
    157,565.40/236,172.51 = 82,694.04/x
  3. Step 3: Cross multiply
    157,565.40x = 236,172.51 × 82,694.04
  4. Step 4: Simplify right side
    157,565.40x = 19,530,058,988.84
  5. Step 5: Solve for x
    x = 19,530,058,988.84/157,565.40
  6. Step 6: Final answer
    x = 123,948.91

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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.