Home / 104,655.10-156,982.65-100,572.70

Finding the Fourth Proportional to 104,655.10, 156,982.65 and 100,572.70

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Solution

The fourth proportional to 104,655.10, 156,982.65 and 100,572.70 is: 150,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.10 : 156,982.65 = 100,572.70 : x
  2. Step 2: Convert to fraction form
    104,655.10/156,982.65 = 100,572.70/x
  3. Step 3: Cross multiply
    104,655.10x = 156,982.65 × 100,572.70
  4. Step 4: Simplify right side
    104,655.10x = 15,788,168,963.66
  5. Step 5: Solve for x
    x = 15,788,168,963.66/104,655.10
  6. Step 6: Final answer
    x = 150,859.05

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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.