Home / 125,566.40-173,162.71-82,470.05

Finding the Fourth Proportional to 125,566.40, 173,162.71 and 82,470.05

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Solution

The fourth proportional to 125,566.40, 173,162.71 and 82,470.05 is: 113,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,566.40 : 173,162.71 = 82,470.05 : x
  2. Step 2: Convert to fraction form
    125,566.40/173,162.71 = 82,470.05/x
  3. Step 3: Cross multiply
    125,566.40x = 173,162.71 × 82,470.05
  4. Step 4: Simplify right side
    125,566.40x = 14,280,737,238.47
  5. Step 5: Solve for x
    x = 14,280,737,238.47/125,566.40
  6. Step 6: Final answer
    x = 113,730.56

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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.