Home / 240,778.55-361,082.78-82,970.30

Finding the Fourth Proportional to 240,778.55, 361,082.78 and 82,970.30

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Solution

The fourth proportional to 240,778.55, 361,082.78 and 82,970.30 is: 124,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,778.55 : 361,082.78 = 82,970.30 : x
  2. Step 2: Convert to fraction form
    240,778.55/361,082.78 = 82,970.30/x
  3. Step 3: Cross multiply
    240,778.55x = 361,082.78 × 82,970.30
  4. Step 4: Simplify right side
    240,778.55x = 29,959,146,166.58
  5. Step 5: Solve for x
    x = 29,959,146,166.58/240,778.55
  6. Step 6: Final answer
    x = 124,426.14

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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.