Home / 147,937.56-204,156.96-80,869.56

Finding the Fourth Proportional to 147,937.56, 204,156.96 and 80,869.56

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Solution

The fourth proportional to 147,937.56, 204,156.96 and 80,869.56 is: 111,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,937.56 : 204,156.96 = 80,869.56 : x
  2. Step 2: Convert to fraction form
    147,937.56/204,156.96 = 80,869.56/x
  3. Step 3: Cross multiply
    147,937.56x = 204,156.96 × 80,869.56
  4. Step 4: Simplify right side
    147,937.56x = 16,510,083,526.14
  5. Step 5: Solve for x
    x = 16,510,083,526.14/147,937.56
  6. Step 6: Final answer
    x = 111,601.70

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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.