Home / 127,693.13-191,567.88-38,953.49

Finding the Fourth Proportional to 127,693.13, 191,567.88 and 38,953.49

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Solution

The fourth proportional to 127,693.13, 191,567.88 and 38,953.49 is: 58,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,693.13 : 191,567.88 = 38,953.49 : x
  2. Step 2: Convert to fraction form
    127,693.13/191,567.88 = 38,953.49/x
  3. Step 3: Cross multiply
    127,693.13x = 191,567.88 × 38,953.49
  4. Step 4: Simplify right side
    127,693.13x = 7,462,236,540.06
  5. Step 5: Solve for x
    x = 7,462,236,540.06/127,693.13
  6. Step 6: Final answer
    x = 58,438.83

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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.