Home / 186,238.30-279,355.95-123,339.91

Finding the Fourth Proportional to 186,238.30, 279,355.95 and 123,339.91

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Solution

The fourth proportional to 186,238.30, 279,355.95 and 123,339.91 is: 185,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,238.30 : 279,355.95 = 123,339.91 : x
  2. Step 2: Convert to fraction form
    186,238.30/279,355.95 = 123,339.91/x
  3. Step 3: Cross multiply
    186,238.30x = 279,355.95 × 123,339.91
  4. Step 4: Simplify right side
    186,238.30x = 34,455,737,730.96
  5. Step 5: Solve for x
    x = 34,455,737,730.96/186,238.30
  6. Step 6: Final answer
    x = 185,008.87

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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.