Home / 154,326.30-231,489.45-43,518.30

Finding the Fourth Proportional to 154,326.30, 231,489.45 and 43,518.30

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Solution

The fourth proportional to 154,326.30, 231,489.45 and 43,518.30 is: 65,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,326.30 : 231,489.45 = 43,518.30 : x
  2. Step 2: Convert to fraction form
    154,326.30/231,489.45 = 43,518.30/x
  3. Step 3: Cross multiply
    154,326.30x = 231,489.45 × 43,518.30
  4. Step 4: Simplify right side
    154,326.30x = 10,074,027,331.94
  5. Step 5: Solve for x
    x = 10,074,027,331.94/154,326.30
  6. Step 6: Final answer
    x = 65,277.45

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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.