Home / 447,501.42-671,251.29-132,179.76

Finding the Fourth Proportional to 447,501.42, 671,251.29 and 132,179.76

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Solution

The fourth proportional to 447,501.42, 671,251.29 and 132,179.76 is: 198,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,501.42 : 671,251.29 = 132,179.76 : x
  2. Step 2: Convert to fraction form
    447,501.42/671,251.29 = 132,179.76/x
  3. Step 3: Cross multiply
    447,501.42x = 671,251.29 × 132,179.76
  4. Step 4: Simplify right side
    447,501.42x = 88,725,834,411.89
  5. Step 5: Solve for x
    x = 88,725,834,411.89/447,501.42
  6. Step 6: Final answer
    x = 198,269.39

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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.