Home / 261,324.60-392,217.30-223,999.80

Finding the Fourth Proportional to 261,324.60, 392,217.30 and 223,999.80

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Solution

The fourth proportional to 261,324.60, 392,217.30 and 223,999.80 is: 336,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,324.60 : 392,217.30 = 223,999.80 : x
  2. Step 2: Convert to fraction form
    261,324.60/392,217.30 = 223,999.80/x
  3. Step 3: Cross multiply
    261,324.60x = 392,217.30 × 223,999.80
  4. Step 4: Simplify right side
    261,324.60x = 87,856,596,756.54
  5. Step 5: Solve for x
    x = 87,856,596,756.54/261,324.60
  6. Step 6: Final answer
    x = 336,197.19

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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.