Home / 145,720.92-218,623.14-52,233.24

Finding the Fourth Proportional to 145,720.92, 218,623.14 and 52,233.24

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Solution

The fourth proportional to 145,720.92, 218,623.14 and 52,233.24 is: 78,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,720.92 : 218,623.14 = 52,233.24 : x
  2. Step 2: Convert to fraction form
    145,720.92/218,623.14 = 52,233.24/x
  3. Step 3: Cross multiply
    145,720.92x = 218,623.14 × 52,233.24
  4. Step 4: Simplify right side
    145,720.92x = 11,419,394,941.17
  5. Step 5: Solve for x
    x = 11,419,394,941.17/145,720.92
  6. Step 6: Final answer
    x = 78,364.83

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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.