Home / 198,312.48-273,592.08-126,673.92

Finding the Fourth Proportional to 198,312.48, 273,592.08 and 126,673.92

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Solution

The fourth proportional to 198,312.48, 273,592.08 and 126,673.92 is: 174,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,312.48 : 273,592.08 = 126,673.92 : x
  2. Step 2: Convert to fraction form
    198,312.48/273,592.08 = 126,673.92/x
  3. Step 3: Cross multiply
    198,312.48x = 273,592.08 × 126,673.92
  4. Step 4: Simplify right side
    198,312.48x = 34,656,981,254.55
  5. Step 5: Solve for x
    x = 34,656,981,254.55/198,312.48
  6. Step 6: Final answer
    x = 174,759.46

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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.