Home / 147,321.12-220,937.76-52,534.56

Finding the Fourth Proportional to 147,321.12, 220,937.76 and 52,534.56

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Solution

The fourth proportional to 147,321.12, 220,937.76 and 52,534.56 is: 78,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,321.12 : 220,937.76 = 52,534.56 : x
  2. Step 2: Convert to fraction form
    147,321.12/220,937.76 = 52,534.56/x
  3. Step 3: Cross multiply
    147,321.12x = 220,937.76 × 52,534.56
  4. Step 4: Simplify right side
    147,321.12x = 11,606,868,008.99
  5. Step 5: Solve for x
    x = 11,606,868,008.99/147,321.12
  6. Step 6: Final answer
    x = 78,786.18

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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.