Home / 131,082.25-180,877.61-72,925.23

Finding the Fourth Proportional to 131,082.25, 180,877.61 and 72,925.23

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Solution

The fourth proportional to 131,082.25, 180,877.61 and 72,925.23 is: 100,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,082.25 : 180,877.61 = 72,925.23 : x
  2. Step 2: Convert to fraction form
    131,082.25/180,877.61 = 72,925.23/x
  3. Step 3: Cross multiply
    131,082.25x = 180,877.61 × 72,925.23
  4. Step 4: Simplify right side
    131,082.25x = 13,190,540,744.06
  5. Step 5: Solve for x
    x = 13,190,540,744.06/131,082.25
  6. Step 6: Final answer
    x = 100,627.97

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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.