Home / 127,958.20-191,937.30-117,849.40

Finding the Fourth Proportional to 127,958.20, 191,937.30 and 117,849.40

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Solution

The fourth proportional to 127,958.20, 191,937.30 and 117,849.40 is: 176,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,958.20 : 191,937.30 = 117,849.40 : x
  2. Step 2: Convert to fraction form
    127,958.20/191,937.30 = 117,849.40/x
  3. Step 3: Cross multiply
    127,958.20x = 191,937.30 × 117,849.40
  4. Step 4: Simplify right side
    127,958.20x = 22,619,695,642.62
  5. Step 5: Solve for x
    x = 22,619,695,642.62/127,958.20
  6. Step 6: Final answer
    x = 176,774.10

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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.