Home / 215,713.81-323,642.48-95,754.13

Finding the Fourth Proportional to 215,713.81, 323,642.48 and 95,754.13

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Solution

The fourth proportional to 215,713.81, 323,642.48 and 95,754.13 is: 143,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,713.81 : 323,642.48 = 95,754.13 : x
  2. Step 2: Convert to fraction form
    215,713.81/323,642.48 = 95,754.13/x
  3. Step 3: Cross multiply
    215,713.81x = 323,642.48 × 95,754.13
  4. Step 4: Simplify right side
    215,713.81x = 30,990,102,006.46
  5. Step 5: Solve for x
    x = 30,990,102,006.46/215,713.81
  6. Step 6: Final answer
    x = 143,663.04

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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.