Home / 132,280.85-198,301.37-84,909.36

Finding the Fourth Proportional to 132,280.85, 198,301.37 and 84,909.36

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Solution

The fourth proportional to 132,280.85, 198,301.37 and 84,909.36 is: 127,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,280.85 : 198,301.37 = 84,909.36 : x
  2. Step 2: Convert to fraction form
    132,280.85/198,301.37 = 84,909.36/x
  3. Step 3: Cross multiply
    132,280.85x = 198,301.37 × 84,909.36
  4. Step 4: Simplify right side
    132,280.85x = 16,837,642,732.91
  5. Step 5: Solve for x
    x = 16,837,642,732.91/132,280.85
  6. Step 6: Final answer
    x = 127,287.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.