Home / 126,051-173,948.22-68,690.85

Finding the Fourth Proportional to 126,051, 173,948.22 and 68,690.85

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Solution

The fourth proportional to 126,051, 173,948.22 and 68,690.85 is: 94,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,051 : 173,948.22 = 68,690.85 : x
  2. Step 2: Convert to fraction form
    126,051/173,948.22 = 68,690.85/x
  3. Step 3: Cross multiply
    126,051x = 173,948.22 × 68,690.85
  4. Step 4: Simplify right side
    126,051x = 11,948,651,087.79
  5. Step 5: Solve for x
    x = 11,948,651,087.79/126,051
  6. Step 6: Final answer
    x = 94,792.20

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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.