Home / 125,442.61-173,254.55-82,613.52

Finding the Fourth Proportional to 125,442.61, 173,254.55 and 82,613.52

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Solution

The fourth proportional to 125,442.61, 173,254.55 and 82,613.52 is: 114,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,442.61 : 173,254.55 = 82,613.52 : x
  2. Step 2: Convert to fraction form
    125,442.61/173,254.55 = 82,613.52/x
  3. Step 3: Cross multiply
    125,442.61x = 173,254.55 × 82,613.52
  4. Step 4: Simplify right side
    125,442.61x = 14,313,167,818.45
  5. Step 5: Solve for x
    x = 14,313,167,818.45/125,442.61
  6. Step 6: Final answer
    x = 114,101.33

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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.