Home / 215,330.19-322,872.20-65,526.18

Finding the Fourth Proportional to 215,330.19, 322,872.20 and 65,526.18

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Solution

The fourth proportional to 215,330.19, 322,872.20 and 65,526.18 is: 98,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,330.19 : 322,872.20 = 65,526.18 : x
  2. Step 2: Convert to fraction form
    215,330.19/322,872.20 = 65,526.18/x
  3. Step 3: Cross multiply
    215,330.19x = 322,872.20 × 65,526.18
  4. Step 4: Simplify right side
    215,330.19x = 21,156,581,894.20
  5. Step 5: Solve for x
    x = 21,156,581,894.20/215,330.19
  6. Step 6: Final answer
    x = 98,251.81

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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.