Home / 319,508.20-440,922.78-176,268.20

Finding the Fourth Proportional to 319,508.20, 440,922.78 and 176,268.20

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Solution

The fourth proportional to 319,508.20, 440,922.78 and 176,268.20 is: 243,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,508.20 : 440,922.78 = 176,268.20 : x
  2. Step 2: Convert to fraction form
    319,508.20/440,922.78 = 176,268.20/x
  3. Step 3: Cross multiply
    319,508.20x = 440,922.78 × 176,268.20
  4. Step 4: Simplify right side
    319,508.20x = 77,720,664,769.60
  5. Step 5: Solve for x
    x = 77,720,664,769.60/319,508.20
  6. Step 6: Final answer
    x = 243,250.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.