Home / 264,221.40-396,332.10-254,890.20

Finding the Fourth Proportional to 264,221.40, 396,332.10 and 254,890.20

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Solution

The fourth proportional to 264,221.40, 396,332.10 and 254,890.20 is: 382,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,221.40 : 396,332.10 = 254,890.20 : x
  2. Step 2: Convert to fraction form
    264,221.40/396,332.10 = 254,890.20/x
  3. Step 3: Cross multiply
    264,221.40x = 396,332.10 × 254,890.20
  4. Step 4: Simplify right side
    264,221.40x = 101,021,168,235.42
  5. Step 5: Solve for x
    x = 101,021,168,235.42/264,221.40
  6. Step 6: Final answer
    x = 382,335.30

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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.