Home / 125,514.71-173,167.53-80,218.82

Finding the Fourth Proportional to 125,514.71, 173,167.53 and 80,218.82

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Solution

The fourth proportional to 125,514.71, 173,167.53 and 80,218.82 is: 110,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.71 : 173,167.53 = 80,218.82 : x
  2. Step 2: Convert to fraction form
    125,514.71/173,167.53 = 80,218.82/x
  3. Step 3: Cross multiply
    125,514.71x = 173,167.53 × 80,218.82
  4. Step 4: Simplify right side
    125,514.71x = 13,891,294,053.08
  5. Step 5: Solve for x
    x = 13,891,294,053.08/125,514.71
  6. Step 6: Final answer
    x = 110,674.63

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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.