Home / 140,346.40-193,763.84-91,334.72

Finding the Fourth Proportional to 140,346.40, 193,763.84 and 91,334.72

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Solution

The fourth proportional to 140,346.40, 193,763.84 and 91,334.72 is: 126,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,346.40 : 193,763.84 = 91,334.72 : x
  2. Step 2: Convert to fraction form
    140,346.40/193,763.84 = 91,334.72/x
  3. Step 3: Cross multiply
    140,346.40x = 193,763.84 × 91,334.72
  4. Step 4: Simplify right side
    140,346.40x = 17,697,366,072.52
  5. Step 5: Solve for x
    x = 17,697,366,072.52/140,346.40
  6. Step 6: Final answer
    x = 126,097.76

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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.