Home / 127,632.38-191,448.50-34,135.70

Finding the Fourth Proportional to 127,632.38, 191,448.50 and 34,135.70

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Solution

The fourth proportional to 127,632.38, 191,448.50 and 34,135.70 is: 51,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.38 : 191,448.50 = 34,135.70 : x
  2. Step 2: Convert to fraction form
    127,632.38/191,448.50 = 34,135.70/x
  3. Step 3: Cross multiply
    127,632.38x = 191,448.50 × 34,135.70
  4. Step 4: Simplify right side
    127,632.38x = 6,535,228,561.45
  5. Step 5: Solve for x
    x = 6,535,228,561.45/127,632.38
  6. Step 6: Final answer
    x = 51,203.53

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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.