Home / 125,512.34-173,211.10-71,797.46

Finding the Fourth Proportional to 125,512.34, 173,211.10 and 71,797.46

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Solution

The fourth proportional to 125,512.34, 173,211.10 and 71,797.46 is: 99,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512.34 : 173,211.10 = 71,797.46 : x
  2. Step 2: Convert to fraction form
    125,512.34/173,211.10 = 71,797.46/x
  3. Step 3: Cross multiply
    125,512.34x = 173,211.10 × 71,797.46
  4. Step 4: Simplify right side
    125,512.34x = 12,436,117,023.81
  5. Step 5: Solve for x
    x = 12,436,117,023.81/125,512.34
  6. Step 6: Final answer
    x = 99,082.82

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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.