Home / 147,227.10-203,173.41-80,159.10

Finding the Fourth Proportional to 147,227.10, 203,173.41 and 80,159.10

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Solution

The fourth proportional to 147,227.10, 203,173.41 and 80,159.10 is: 110,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,227.10 : 203,173.41 = 80,159.10 : x
  2. Step 2: Convert to fraction form
    147,227.10/203,173.41 = 80,159.10/x
  3. Step 3: Cross multiply
    147,227.10x = 203,173.41 × 80,159.10
  4. Step 4: Simplify right side
    147,227.10x = 16,286,197,689.53
  5. Step 5: Solve for x
    x = 16,286,197,689.53/147,227.10
  6. Step 6: Final answer
    x = 110,619.56

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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.