Home / 219,436.14-329,154.21-77,247.93

Finding the Fourth Proportional to 219,436.14, 329,154.21 and 77,247.93

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Solution

The fourth proportional to 219,436.14, 329,154.21 and 77,247.93 is: 115,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,436.14 : 329,154.21 = 77,247.93 : x
  2. Step 2: Convert to fraction form
    219,436.14/329,154.21 = 77,247.93/x
  3. Step 3: Cross multiply
    219,436.14x = 329,154.21 × 77,247.93
  4. Step 4: Simplify right side
    219,436.14x = 25,426,481,373.29
  5. Step 5: Solve for x
    x = 25,426,481,373.29/219,436.14
  6. Step 6: Final answer
    x = 115,871.90

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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.