Home / 264,037.20-396,055.80-86,562.15

Finding the Fourth Proportional to 264,037.20, 396,055.80 and 86,562.15

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Solution

The fourth proportional to 264,037.20, 396,055.80 and 86,562.15 is: 129,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,037.20 : 396,055.80 = 86,562.15 : x
  2. Step 2: Convert to fraction form
    264,037.20/396,055.80 = 86,562.15/x
  3. Step 3: Cross multiply
    264,037.20x = 396,055.80 × 86,562.15
  4. Step 4: Simplify right side
    264,037.20x = 34,283,441,567.97
  5. Step 5: Solve for x
    x = 34,283,441,567.97/264,037.20
  6. Step 6: Final answer
    x = 129,843.23

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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.