Home / 134,531.76-185,658.74-83,572.62

Finding the Fourth Proportional to 134,531.76, 185,658.74 and 83,572.62

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Solution

The fourth proportional to 134,531.76, 185,658.74 and 83,572.62 is: 115,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,531.76 : 185,658.74 = 83,572.62 : x
  2. Step 2: Convert to fraction form
    134,531.76/185,658.74 = 83,572.62/x
  3. Step 3: Cross multiply
    134,531.76x = 185,658.74 × 83,572.62
  4. Step 4: Simplify right side
    134,531.76x = 15,515,987,327.70
  5. Step 5: Solve for x
    x = 15,515,987,327.70/134,531.76
  6. Step 6: Final answer
    x = 115,333.27

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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.