Home / 104,407.10-156,610.65-100,324.70

Finding the Fourth Proportional to 104,407.10, 156,610.65 and 100,324.70

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Solution

The fourth proportional to 104,407.10, 156,610.65 and 100,324.70 is: 150,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,407.10 : 156,610.65 = 100,324.70 : x
  2. Step 2: Convert to fraction form
    104,407.10/156,610.65 = 100,324.70/x
  3. Step 3: Cross multiply
    104,407.10x = 156,610.65 × 100,324.70
  4. Step 4: Simplify right side
    104,407.10x = 15,711,916,478.06
  5. Step 5: Solve for x
    x = 15,711,916,478.06/104,407.10
  6. Step 6: Final answer
    x = 150,487.05

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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.