Home / 157,542.72-217,481.76-97,124.16

Finding the Fourth Proportional to 157,542.72, 217,481.76 and 97,124.16

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Solution

The fourth proportional to 157,542.72, 217,481.76 and 97,124.16 is: 134,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,542.72 : 217,481.76 = 97,124.16 : x
  2. Step 2: Convert to fraction form
    157,542.72/217,481.76 = 97,124.16/x
  3. Step 3: Cross multiply
    157,542.72x = 217,481.76 × 97,124.16
  4. Step 4: Simplify right side
    157,542.72x = 21,122,733,255.32
  5. Step 5: Solve for x
    x = 21,122,733,255.32/157,542.72
  6. Step 6: Final answer
    x = 134,076.23

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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.