Home / 144,954.50-217,452.26-45,124.78

Finding the Fourth Proportional to 144,954.50, 217,452.26 and 45,124.78

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Solution

The fourth proportional to 144,954.50, 217,452.26 and 45,124.78 is: 67,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,954.50 : 217,452.26 = 45,124.78 : x
  2. Step 2: Convert to fraction form
    144,954.50/217,452.26 = 45,124.78/x
  3. Step 3: Cross multiply
    144,954.50x = 217,452.26 × 45,124.78
  4. Step 4: Simplify right side
    144,954.50x = 9,812,485,393.00
  5. Step 5: Solve for x
    x = 9,812,485,393.00/144,954.50
  6. Step 6: Final answer
    x = 67,693.55

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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.