Home / 264,024.80-396,037.20-86,537.60

Finding the Fourth Proportional to 264,024.80, 396,037.20 and 86,537.60

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Solution

The fourth proportional to 264,024.80, 396,037.20 and 86,537.60 is: 129,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,024.80 : 396,037.20 = 86,537.60 : x
  2. Step 2: Convert to fraction form
    264,024.80/396,037.20 = 86,537.60/x
  3. Step 3: Cross multiply
    264,024.80x = 396,037.20 × 86,537.60
  4. Step 4: Simplify right side
    264,024.80x = 34,272,108,798.72
  5. Step 5: Solve for x
    x = 34,272,108,798.72/264,024.80
  6. Step 6: Final answer
    x = 129,806.40

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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.