Home / 157,244.48-217,001.52-85,627.52

Finding the Fourth Proportional to 157,244.48, 217,001.52 and 85,627.52

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Solution

The fourth proportional to 157,244.48, 217,001.52 and 85,627.52 is: 118,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,244.48 : 217,001.52 = 85,627.52 : x
  2. Step 2: Convert to fraction form
    157,244.48/217,001.52 = 85,627.52/x
  3. Step 3: Cross multiply
    157,244.48x = 217,001.52 × 85,627.52
  4. Step 4: Simplify right side
    157,244.48x = 18,581,301,993.83
  5. Step 5: Solve for x
    x = 18,581,301,993.83/157,244.48
  6. Step 6: Final answer
    x = 118,168.23

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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.