Home / 103,601.10-155,516.85-64,202.70

Finding the Fourth Proportional to 103,601.10, 155,516.85 and 64,202.70

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Solution

The fourth proportional to 103,601.10, 155,516.85 and 64,202.70 is: 96,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.10 : 155,516.85 = 64,202.70 : x
  2. Step 2: Convert to fraction form
    103,601.10/155,516.85 = 64,202.70/x
  3. Step 3: Cross multiply
    103,601.10x = 155,516.85 × 64,202.70
  4. Step 4: Simplify right side
    103,601.10x = 9,984,601,665.50
  5. Step 5: Solve for x
    x = 9,984,601,665.50/103,601.10
  6. Step 6: Final answer
    x = 96,375.44

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1.5x scale

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.