Home / 282,155.82-423,276.25-82,451.13

Finding the Fourth Proportional to 282,155.82, 423,276.25 and 82,451.13

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Solution

The fourth proportional to 282,155.82, 423,276.25 and 82,451.13 is: 123,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,155.82 : 423,276.25 = 82,451.13 : x
  2. Step 2: Convert to fraction form
    282,155.82/423,276.25 = 82,451.13/x
  3. Step 3: Cross multiply
    282,155.82x = 423,276.25 × 82,451.13
  4. Step 4: Simplify right side
    282,155.82x = 34,899,605,114.66
  5. Step 5: Solve for x
    x = 34,899,605,114.66/282,155.82
  6. Step 6: Final answer
    x = 123,689.12

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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.