Home / 144,503.12-216,816.96-60,279.86

Finding the Fourth Proportional to 144,503.12, 216,816.96 and 60,279.86

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Solution

The fourth proportional to 144,503.12, 216,816.96 and 60,279.86 is: 90,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,503.12 : 216,816.96 = 60,279.86 : x
  2. Step 2: Convert to fraction form
    144,503.12/216,816.96 = 60,279.86/x
  3. Step 3: Cross multiply
    144,503.12x = 216,816.96 × 60,279.86
  4. Step 4: Simplify right side
    144,503.12x = 13,069,694,910.34
  5. Step 5: Solve for x
    x = 13,069,694,910.34/144,503.12
  6. Step 6: Final answer
    x = 90,445.77

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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.