Home / 179,164.96-268,851.28-90,425.40

Finding the Fourth Proportional to 179,164.96, 268,851.28 and 90,425.40

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Solution

The fourth proportional to 179,164.96, 268,851.28 and 90,425.40 is: 135,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,164.96 : 268,851.28 = 90,425.40 : x
  2. Step 2: Convert to fraction form
    179,164.96/268,851.28 = 90,425.40/x
  3. Step 3: Cross multiply
    179,164.96x = 268,851.28 × 90,425.40
  4. Step 4: Simplify right side
    179,164.96x = 24,310,984,534.51
  5. Step 5: Solve for x
    x = 24,310,984,534.51/179,164.96
  6. Step 6: Final answer
    x = 135,690.51

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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.