Home / 125,480.24-173,176.50-71,770.28

Finding the Fourth Proportional to 125,480.24, 173,176.50 and 71,770.28

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Solution

The fourth proportional to 125,480.24, 173,176.50 and 71,770.28 is: 99,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,480.24 : 173,176.50 = 71,770.28 : x
  2. Step 2: Convert to fraction form
    125,480.24/173,176.50 = 71,770.28/x
  3. Step 3: Cross multiply
    125,480.24x = 173,176.50 × 71,770.28
  4. Step 4: Simplify right side
    125,480.24x = 12,428,925,894.42
  5. Step 5: Solve for x
    x = 12,428,925,894.42/125,480.24
  6. Step 6: Final answer
    x = 99,050.86

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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.