Home / 282,642.10-423,833.55-124,789.30

Finding the Fourth Proportional to 282,642.10, 423,833.55 and 124,789.30

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Solution

The fourth proportional to 282,642.10, 423,833.55 and 124,789.30 is: 187,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,642.10 : 423,833.55 = 124,789.30 : x
  2. Step 2: Convert to fraction form
    282,642.10/423,833.55 = 124,789.30/x
  3. Step 3: Cross multiply
    282,642.10x = 423,833.55 × 124,789.30
  4. Step 4: Simplify right side
    282,642.10x = 52,889,892,021.02
  5. Step 5: Solve for x
    x = 52,889,892,021.02/282,642.10
  6. Step 6: Final answer
    x = 187,126.73

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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.