Home / 176,401.38-243,425.73-99,918.75

Finding the Fourth Proportional to 176,401.38, 243,425.73 and 99,918.75

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Solution

The fourth proportional to 176,401.38, 243,425.73 and 99,918.75 is: 137,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,401.38 : 243,425.73 = 99,918.75 : x
  2. Step 2: Convert to fraction form
    176,401.38/243,425.73 = 99,918.75/x
  3. Step 3: Cross multiply
    176,401.38x = 243,425.73 × 99,918.75
  4. Step 4: Simplify right side
    176,401.38x = 24,322,794,659.44
  5. Step 5: Solve for x
    x = 24,322,794,659.44/176,401.38
  6. Step 6: Final answer
    x = 137,883.24

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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.