Home / 147,135.20-220,731.60-62,895.20

Finding the Fourth Proportional to 147,135.20, 220,731.60 and 62,895.20

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Solution

The fourth proportional to 147,135.20, 220,731.60 and 62,895.20 is: 94,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,135.20 : 220,731.60 = 62,895.20 : x
  2. Step 2: Convert to fraction form
    147,135.20/220,731.60 = 62,895.20/x
  3. Step 3: Cross multiply
    147,135.20x = 220,731.60 × 62,895.20
  4. Step 4: Simplify right side
    147,135.20x = 13,882,958,128.32
  5. Step 5: Solve for x
    x = 13,882,958,128.32/147,135.20
  6. Step 6: Final answer
    x = 94,355.11

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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.