Home / 157,204.32-216,573.12-109,375.44

Finding the Fourth Proportional to 157,204.32, 216,573.12 and 109,375.44

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Solution

The fourth proportional to 157,204.32, 216,573.12 and 109,375.44 is: 150,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,204.32 : 216,573.12 = 109,375.44 : x
  2. Step 2: Convert to fraction form
    157,204.32/216,573.12 = 109,375.44/x
  3. Step 3: Cross multiply
    157,204.32x = 216,573.12 × 109,375.44
  4. Step 4: Simplify right side
    157,204.32x = 23,687,780,292.17
  5. Step 5: Solve for x
    x = 23,687,780,292.17/157,204.32
  6. Step 6: Final answer
    x = 150,681.48

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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.