Home / 154,479.10-231,718.65-124,411.90

Finding the Fourth Proportional to 154,479.10, 231,718.65 and 124,411.90

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Solution

The fourth proportional to 154,479.10, 231,718.65 and 124,411.90 is: 186,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,479.10 : 231,718.65 = 124,411.90 : x
  2. Step 2: Convert to fraction form
    154,479.10/231,718.65 = 124,411.90/x
  3. Step 3: Cross multiply
    154,479.10x = 231,718.65 × 124,411.90
  4. Step 4: Simplify right side
    154,479.10x = 28,828,557,511.94
  5. Step 5: Solve for x
    x = 28,828,557,511.94/154,479.10
  6. Step 6: Final answer
    x = 186,617.85

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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.