Home / 157,192.50-216,445.27-118,486.55

Finding the Fourth Proportional to 157,192.50, 216,445.27 and 118,486.55

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Solution

The fourth proportional to 157,192.50, 216,445.27 and 118,486.55 is: 163,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,192.50 : 216,445.27 = 118,486.55 : x
  2. Step 2: Convert to fraction form
    157,192.50/216,445.27 = 118,486.55/x
  3. Step 3: Cross multiply
    157,192.50x = 216,445.27 × 118,486.55
  4. Step 4: Simplify right side
    157,192.50x = 25,645,853,306.12
  5. Step 5: Solve for x
    x = 25,645,853,306.12/157,192.50
  6. Step 6: Final answer
    x = 163,149.34

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1.5x scale

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.