Home / 104,280.87-156,430.53-29,401.68

Finding the Fourth Proportional to 104,280.87, 156,430.53 and 29,401.68

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Solution

The fourth proportional to 104,280.87, 156,430.53 and 29,401.68 is: 44,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,280.87 : 156,430.53 = 29,401.68 : x
  2. Step 2: Convert to fraction form
    104,280.87/156,430.53 = 29,401.68/x
  3. Step 3: Cross multiply
    104,280.87x = 156,430.53 × 29,401.68
  4. Step 4: Simplify right side
    104,280.87x = 4,599,320,385.29
  5. Step 5: Solve for x
    x = 4,599,320,385.29/104,280.87
  6. Step 6: Final answer
    x = 44,105.12

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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.