Home / 125,556.66-173,182.20-80,214.59

Finding the Fourth Proportional to 125,556.66, 173,182.20 and 80,214.59

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Solution

The fourth proportional to 125,556.66, 173,182.20 and 80,214.59 is: 110,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,556.66 : 173,182.20 = 80,214.59 : x
  2. Step 2: Convert to fraction form
    125,556.66/173,182.20 = 80,214.59/x
  3. Step 3: Cross multiply
    125,556.66x = 173,182.20 × 80,214.59
  4. Step 4: Simplify right side
    125,556.66x = 13,891,738,302.39
  5. Step 5: Solve for x
    x = 13,891,738,302.39/125,556.66
  6. Step 6: Final answer
    x = 110,641.19

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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.