Home / 150,263.60-207,364.20-82,281.20

Finding the Fourth Proportional to 150,263.60, 207,364.20 and 82,281.20

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Solution

The fourth proportional to 150,263.60, 207,364.20 and 82,281.20 is: 113,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,263.60 : 207,364.20 = 82,281.20 : x
  2. Step 2: Convert to fraction form
    150,263.60/207,364.20 = 82,281.20/x
  3. Step 3: Cross multiply
    150,263.60x = 207,364.20 × 82,281.20
  4. Step 4: Simplify right side
    150,263.60x = 17,062,175,213.04
  5. Step 5: Solve for x
    x = 17,062,175,213.04/150,263.60
  6. Step 6: Final answer
    x = 113,548.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.