Home / 147,530.66-203,591.94-80,462.66

Finding the Fourth Proportional to 147,530.66, 203,591.94 and 80,462.66

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Solution

The fourth proportional to 147,530.66, 203,591.94 and 80,462.66 is: 111,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,530.66 : 203,591.94 = 80,462.66 : x
  2. Step 2: Convert to fraction form
    147,530.66/203,591.94 = 80,462.66/x
  3. Step 3: Cross multiply
    147,530.66x = 203,591.94 × 80,462.66
  4. Step 4: Simplify right side
    147,530.66x = 16,381,549,046.96
  5. Step 5: Solve for x
    x = 16,381,549,046.96/147,530.66
  6. Step 6: Final answer
    x = 111,038.27

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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.