Home / 157,736.16-217,540.08-140,531.76

Finding the Fourth Proportional to 157,736.16, 217,540.08 and 140,531.76

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Solution

The fourth proportional to 157,736.16, 217,540.08 and 140,531.76 is: 193,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,736.16 : 217,540.08 = 140,531.76 : x
  2. Step 2: Convert to fraction form
    157,736.16/217,540.08 = 140,531.76/x
  3. Step 3: Cross multiply
    157,736.16x = 217,540.08 × 140,531.76
  4. Step 4: Simplify right side
    157,736.16x = 30,571,290,312.94
  5. Step 5: Solve for x
    x = 30,571,290,312.94/157,736.16
  6. Step 6: Final answer
    x = 193,812.82

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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.