Home / 104,812.40-157,074.60-67,257.20

Finding the Fourth Proportional to 104,812.40, 157,074.60 and 67,257.20

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Solution

The fourth proportional to 104,812.40, 157,074.60 and 67,257.20 is: 100,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,812.40 : 157,074.60 = 67,257.20 : x
  2. Step 2: Convert to fraction form
    104,812.40/157,074.60 = 67,257.20/x
  3. Step 3: Cross multiply
    104,812.40x = 157,074.60 × 67,257.20
  4. Step 4: Simplify right side
    104,812.40x = 10,564,397,787.12
  5. Step 5: Solve for x
    x = 10,564,397,787.12/104,812.40
  6. Step 6: Final answer
    x = 100,793.40

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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.