Home / 125,790.16-173,687.84-96,672.40

Finding the Fourth Proportional to 125,790.16, 173,687.84 and 96,672.40

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Solution

The fourth proportional to 125,790.16, 173,687.84 and 96,672.40 is: 133,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,790.16 : 173,687.84 = 96,672.40 : x
  2. Step 2: Convert to fraction form
    125,790.16/173,687.84 = 96,672.40/x
  3. Step 3: Cross multiply
    125,790.16x = 173,687.84 × 96,672.40
  4. Step 4: Simplify right side
    125,790.16x = 16,790,820,343.62
  5. Step 5: Solve for x
    x = 16,790,820,343.62/125,790.16
  6. Step 6: Final answer
    x = 133,482.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.