Home / 134,151.51-200,964.33-77,873.61

Finding the Fourth Proportional to 134,151.51, 200,964.33 and 77,873.61

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Solution

The fourth proportional to 134,151.51, 200,964.33 and 77,873.61 is: 116,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,151.51 : 200,964.33 = 77,873.61 : x
  2. Step 2: Convert to fraction form
    134,151.51/200,964.33 = 77,873.61/x
  3. Step 3: Cross multiply
    134,151.51x = 200,964.33 × 77,873.61
  4. Step 4: Simplify right side
    134,151.51x = 15,649,817,858.33
  5. Step 5: Solve for x
    x = 15,649,817,858.33/134,151.51
  6. Step 6: Final answer
    x = 116,657.78

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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.