Home / 197,542.33-272,613.06-112,657.57

Finding the Fourth Proportional to 197,542.33, 272,613.06 and 112,657.57

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Solution

The fourth proportional to 197,542.33, 272,613.06 and 112,657.57 is: 155,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,542.33 : 272,613.06 = 112,657.57 : x
  2. Step 2: Convert to fraction form
    197,542.33/272,613.06 = 112,657.57/x
  3. Step 3: Cross multiply
    197,542.33x = 272,613.06 × 112,657.57
  4. Step 4: Simplify right side
    197,542.33x = 30,711,924,889.86
  5. Step 5: Solve for x
    x = 30,711,924,889.86/197,542.33
  6. Step 6: Final answer
    x = 155,470.10

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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.