Home / 125,514.48-173,234.52-77,789.04

Finding the Fourth Proportional to 125,514.48, 173,234.52 and 77,789.04

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Solution

The fourth proportional to 125,514.48, 173,234.52 and 77,789.04 is: 107,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.48 : 173,234.52 = 77,789.04 : x
  2. Step 2: Convert to fraction form
    125,514.48/173,234.52 = 77,789.04/x
  3. Step 3: Cross multiply
    125,514.48x = 173,234.52 × 77,789.04
  4. Step 4: Simplify right side
    125,514.48x = 13,475,747,005.66
  5. Step 5: Solve for x
    x = 13,475,747,005.66/125,514.48
  6. Step 6: Final answer
    x = 107,364.08

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1.5x scale

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.