Home / 282,488.18-423,371.90-132,397.34

Finding the Fourth Proportional to 282,488.18, 423,371.90 and 132,397.34

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Solution

The fourth proportional to 282,488.18, 423,371.90 and 132,397.34 is: 198,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,488.18 : 423,371.90 = 132,397.34 : x
  2. Step 2: Convert to fraction form
    282,488.18/423,371.90 = 132,397.34/x
  3. Step 3: Cross multiply
    282,488.18x = 423,371.90 × 132,397.34
  4. Step 4: Simplify right side
    282,488.18x = 56,053,313,390.75
  5. Step 5: Solve for x
    x = 56,053,313,390.75/282,488.18
  6. Step 6: Final answer
    x = 198,427.11

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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.