Home / 262,217.90-393,326.85-156,982.70

Finding the Fourth Proportional to 262,217.90, 393,326.85 and 156,982.70

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Solution

The fourth proportional to 262,217.90, 393,326.85 and 156,982.70 is: 235,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,217.90 : 393,326.85 = 156,982.70 : x
  2. Step 2: Convert to fraction form
    262,217.90/393,326.85 = 156,982.70/x
  3. Step 3: Cross multiply
    262,217.90x = 393,326.85 × 156,982.70
  4. Step 4: Simplify right side
    262,217.90x = 61,745,510,895.50
  5. Step 5: Solve for x
    x = 61,745,510,895.50/262,217.90
  6. Step 6: Final answer
    x = 235,474.05

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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.