Home / 104,515.20-156,772.80-34,401.60

Finding the Fourth Proportional to 104,515.20, 156,772.80 and 34,401.60

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Solution

The fourth proportional to 104,515.20, 156,772.80 and 34,401.60 is: 51,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.20 : 156,772.80 = 34,401.60 : x
  2. Step 2: Convert to fraction form
    104,515.20/156,772.80 = 34,401.60/x
  3. Step 3: Cross multiply
    104,515.20x = 156,772.80 × 34,401.60
  4. Step 4: Simplify right side
    104,515.20x = 5,393,235,156.48
  5. Step 5: Solve for x
    x = 5,393,235,156.48/104,515.20
  6. Step 6: Final answer
    x = 51,602.40

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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.