Home / 104,424.10-156,636.15-100,341.70

Finding the Fourth Proportional to 104,424.10, 156,636.15 and 100,341.70

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Solution

The fourth proportional to 104,424.10, 156,636.15 and 100,341.70 is: 150,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.10 : 156,636.15 = 100,341.70 : x
  2. Step 2: Convert to fraction form
    104,424.10/156,636.15 = 100,341.70/x
  3. Step 3: Cross multiply
    104,424.10x = 156,636.15 × 100,341.70
  4. Step 4: Simplify right side
    104,424.10x = 15,717,137,572.46
  5. Step 5: Solve for x
    x = 15,717,137,572.46/104,424.10
  6. Step 6: Final answer
    x = 150,512.55

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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.