Home / 104,630.10-156,945.15-100,547.70

Finding the Fourth Proportional to 104,630.10, 156,945.15 and 100,547.70

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Solution

The fourth proportional to 104,630.10, 156,945.15 and 100,547.70 is: 150,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,630.10 : 156,945.15 = 100,547.70 : x
  2. Step 2: Convert to fraction form
    104,630.10/156,945.15 = 100,547.70/x
  3. Step 3: Cross multiply
    104,630.10x = 156,945.15 × 100,547.70
  4. Step 4: Simplify right side
    104,630.10x = 15,780,473,858.66
  5. Step 5: Solve for x
    x = 15,780,473,858.66/104,630.10
  6. Step 6: Final answer
    x = 150,821.55

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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.