Home / 454,818.80-682,228.20-155,272.70

Finding the Fourth Proportional to 454,818.80, 682,228.20 and 155,272.70

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Solution

The fourth proportional to 454,818.80, 682,228.20 and 155,272.70 is: 232,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,818.80 : 682,228.20 = 155,272.70 : x
  2. Step 2: Convert to fraction form
    454,818.80/682,228.20 = 155,272.70/x
  3. Step 3: Cross multiply
    454,818.80x = 682,228.20 × 155,272.70
  4. Step 4: Simplify right side
    454,818.80x = 105,931,414,630.14
  5. Step 5: Solve for x
    x = 105,931,414,630.14/454,818.80
  6. Step 6: Final answer
    x = 232,909.05

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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.