Home / 125,606.28-173,267.46-79,581.72

Finding the Fourth Proportional to 125,606.28, 173,267.46 and 79,581.72

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Solution

The fourth proportional to 125,606.28, 173,267.46 and 79,581.72 is: 109,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,606.28 : 173,267.46 = 79,581.72 : x
  2. Step 2: Convert to fraction form
    125,606.28/173,267.46 = 79,581.72/x
  3. Step 3: Cross multiply
    125,606.28x = 173,267.46 × 79,581.72
  4. Step 4: Simplify right side
    125,606.28x = 13,788,922,486.83
  5. Step 5: Solve for x
    x = 13,788,922,486.83/125,606.28
  6. Step 6: Final answer
    x = 109,778.93

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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.