Home / 103,621.10-155,431.65-95,747.90

Finding the Fourth Proportional to 103,621.10, 155,431.65 and 95,747.90

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Solution

The fourth proportional to 103,621.10, 155,431.65 and 95,747.90 is: 143,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.10 : 155,431.65 = 95,747.90 : x
  2. Step 2: Convert to fraction form
    103,621.10/155,431.65 = 95,747.90/x
  3. Step 3: Cross multiply
    103,621.10x = 155,431.65 × 95,747.90
  4. Step 4: Simplify right side
    103,621.10x = 14,882,254,081.04
  5. Step 5: Solve for x
    x = 14,882,254,081.04/103,621.10
  6. Step 6: Final answer
    x = 143,621.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.