Home / 261,322.60-392,214.30-223,997.80

Finding the Fourth Proportional to 261,322.60, 392,214.30 and 223,997.80

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Solution

The fourth proportional to 261,322.60, 392,214.30 and 223,997.80 is: 336,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,322.60 : 392,214.30 = 223,997.80 : x
  2. Step 2: Convert to fraction form
    261,322.60/392,214.30 = 223,997.80/x
  3. Step 3: Cross multiply
    261,322.60x = 392,214.30 × 223,997.80
  4. Step 4: Simplify right side
    261,322.60x = 87,855,140,328.54
  5. Step 5: Solve for x
    x = 87,855,140,328.54/261,322.60
  6. Step 6: Final answer
    x = 336,194.19

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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.