Home / 454,742.20-682,113.30-155,232.55

Finding the Fourth Proportional to 454,742.20, 682,113.30 and 155,232.55

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Solution

The fourth proportional to 454,742.20, 682,113.30 and 155,232.55 is: 232,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,742.20 : 682,113.30 = 155,232.55 : x
  2. Step 2: Convert to fraction form
    454,742.20/682,113.30 = 155,232.55/x
  3. Step 3: Cross multiply
    454,742.20x = 682,113.30 × 155,232.55
  4. Step 4: Simplify right side
    454,742.20x = 105,886,186,947.92
  5. Step 5: Solve for x
    x = 105,886,186,947.92/454,742.20
  6. Step 6: Final answer
    x = 232,848.83

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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.