Home / 338,904.31-508,182.72-179,066.20

Finding the Fourth Proportional to 338,904.31, 508,182.72 and 179,066.20

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Solution

The fourth proportional to 338,904.31, 508,182.72 and 179,066.20 is: 268,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,904.31 : 508,182.72 = 179,066.20 : x
  2. Step 2: Convert to fraction form
    338,904.31/508,182.72 = 179,066.20/x
  3. Step 3: Cross multiply
    338,904.31x = 508,182.72 × 179,066.20
  4. Step 4: Simplify right side
    338,904.31x = 90,998,346,634.11
  5. Step 5: Solve for x
    x = 90,998,346,634.11/338,904.31
  6. Step 6: Final answer
    x = 268,507.49

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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.