Home / 147,211.08-220,857.30-52,462.95

Finding the Fourth Proportional to 147,211.08, 220,857.30 and 52,462.95

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Solution

The fourth proportional to 147,211.08, 220,857.30 and 52,462.95 is: 78,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,211.08 : 220,857.30 = 52,462.95 : x
  2. Step 2: Convert to fraction form
    147,211.08/220,857.30 = 52,462.95/x
  3. Step 3: Cross multiply
    147,211.08x = 220,857.30 × 52,462.95
  4. Step 4: Simplify right side
    147,211.08x = 11,586,825,487.04
  5. Step 5: Solve for x
    x = 11,586,825,487.04/147,211.08
  6. Step 6: Final answer
    x = 78,708.92

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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.