Home / 147,218.85-220,823.56-61,874.92

Finding the Fourth Proportional to 147,218.85, 220,823.56 and 61,874.92

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Solution

The fourth proportional to 147,218.85, 220,823.56 and 61,874.92 is: 92,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,218.85 : 220,823.56 = 61,874.92 : x
  2. Step 2: Convert to fraction form
    147,218.85/220,823.56 = 61,874.92/x
  3. Step 3: Cross multiply
    147,218.85x = 220,823.56 × 61,874.92
  4. Step 4: Simplify right side
    147,218.85x = 13,663,440,109.12
  5. Step 5: Solve for x
    x = 13,663,440,109.12/147,218.85
  6. Step 6: Final answer
    x = 92,810.40

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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.