Home / 264,117.20-396,175.80-121,962.20

Finding the Fourth Proportional to 264,117.20, 396,175.80 and 121,962.20

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Solution

The fourth proportional to 264,117.20, 396,175.80 and 121,962.20 is: 182,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,117.20 : 396,175.80 = 121,962.20 : x
  2. Step 2: Convert to fraction form
    264,117.20/396,175.80 = 121,962.20/x
  3. Step 3: Cross multiply
    264,117.20x = 396,175.80 × 121,962.20
  4. Step 4: Simplify right side
    264,117.20x = 48,318,472,154.76
  5. Step 5: Solve for x
    x = 48,318,472,154.76/264,117.20
  6. Step 6: Final answer
    x = 182,943.30

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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.