Home / 147,016.24-220,320.06-76,755.40

Finding the Fourth Proportional to 147,016.24, 220,320.06 and 76,755.40

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Solution

The fourth proportional to 147,016.24, 220,320.06 and 76,755.40 is: 115,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,016.24 : 220,320.06 = 76,755.40 : x
  2. Step 2: Convert to fraction form
    147,016.24/220,320.06 = 76,755.40/x
  3. Step 3: Cross multiply
    147,016.24x = 220,320.06 × 76,755.40
  4. Step 4: Simplify right side
    147,016.24x = 16,910,754,333.32
  5. Step 5: Solve for x
    x = 16,910,754,333.32/147,016.24
  6. Step 6: Final answer
    x = 115,026.44

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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.