Home / 120,398.52-180,609.66-41,502.36

Finding the Fourth Proportional to 120,398.52, 180,609.66 and 41,502.36

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Solution

The fourth proportional to 120,398.52, 180,609.66 and 41,502.36 is: 62,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,398.52 : 180,609.66 = 41,502.36 : x
  2. Step 2: Convert to fraction form
    120,398.52/180,609.66 = 41,502.36/x
  3. Step 3: Cross multiply
    120,398.52x = 180,609.66 × 41,502.36
  4. Step 4: Simplify right side
    120,398.52x = 7,495,727,128.80
  5. Step 5: Solve for x
    x = 7,495,727,128.80/120,398.52
  6. Step 6: Final answer
    x = 62,257.64

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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.