Home / 147,125.20-220,716.60-62,885.20

Finding the Fourth Proportional to 147,125.20, 220,716.60 and 62,885.20

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Solution

The fourth proportional to 147,125.20, 220,716.60 and 62,885.20 is: 94,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,125.20 : 220,716.60 = 62,885.20 : x
  2. Step 2: Convert to fraction form
    147,125.20/220,716.60 = 62,885.20/x
  3. Step 3: Cross multiply
    147,125.20x = 220,716.60 × 62,885.20
  4. Step 4: Simplify right side
    147,125.20x = 13,879,807,534.32
  5. Step 5: Solve for x
    x = 13,879,807,534.32/147,125.20
  6. Step 6: Final answer
    x = 94,340.11

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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.