Home / 282,036.15-423,008.87-82,309.73

Finding the Fourth Proportional to 282,036.15, 423,008.87 and 82,309.73

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Solution

The fourth proportional to 282,036.15, 423,008.87 and 82,309.73 is: 123,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,036.15 : 423,008.87 = 82,309.73 : x
  2. Step 2: Convert to fraction form
    282,036.15/423,008.87 = 82,309.73/x
  3. Step 3: Cross multiply
    282,036.15x = 423,008.87 × 82,309.73
  4. Step 4: Simplify right side
    282,036.15x = 34,817,743,350.71
  5. Step 5: Solve for x
    x = 34,817,743,350.71/282,036.15
  6. Step 6: Final answer
    x = 123,451.35

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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.