Home / 104,439.10-156,658.65-34,320.70

Finding the Fourth Proportional to 104,439.10, 156,658.65 and 34,320.70

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Solution

The fourth proportional to 104,439.10, 156,658.65 and 34,320.70 is: 51,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.10 : 156,658.65 = 34,320.70 : x
  2. Step 2: Convert to fraction form
    104,439.10/156,658.65 = 34,320.70/x
  3. Step 3: Cross multiply
    104,439.10x = 156,658.65 × 34,320.70
  4. Step 4: Simplify right side
    104,439.10x = 5,376,634,529.06
  5. Step 5: Solve for x
    x = 5,376,634,529.06/104,439.10
  6. Step 6: Final answer
    x = 51,481.05

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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.