Home / 147,631.01-221,475.67-54,137.57

Finding the Fourth Proportional to 147,631.01, 221,475.67 and 54,137.57

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Solution

The fourth proportional to 147,631.01, 221,475.67 and 54,137.57 is: 81,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,631.01 : 221,475.67 = 54,137.57 : x
  2. Step 2: Convert to fraction form
    147,631.01/221,475.67 = 54,137.57/x
  3. Step 3: Cross multiply
    147,631.01x = 221,475.67 × 54,137.57
  4. Step 4: Simplify right side
    147,631.01x = 11,990,153,345.20
  5. Step 5: Solve for x
    x = 11,990,153,345.20/147,631.01
  6. Step 6: Final answer
    x = 81,217.04

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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.