Home / 157,115.53-216,781.63-92,587.41

Finding the Fourth Proportional to 157,115.53, 216,781.63 and 92,587.41

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Solution

The fourth proportional to 157,115.53, 216,781.63 and 92,587.41 is: 127,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,115.53 : 216,781.63 = 92,587.41 : x
  2. Step 2: Convert to fraction form
    157,115.53/216,781.63 = 92,587.41/x
  3. Step 3: Cross multiply
    157,115.53x = 216,781.63 × 92,587.41
  4. Step 4: Simplify right side
    157,115.53x = 20,071,248,341.90
  5. Step 5: Solve for x
    x = 20,071,248,341.90/157,115.53
  6. Step 6: Final answer
    x = 127,748.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.