Home / 131,704.71-181,752.51-71,275.37

Finding the Fourth Proportional to 131,704.71, 181,752.51 and 71,275.37

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Solution

The fourth proportional to 131,704.71, 181,752.51 and 71,275.37 is: 98,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,704.71 : 181,752.51 = 71,275.37 : x
  2. Step 2: Convert to fraction form
    131,704.71/181,752.51 = 71,275.37/x
  3. Step 3: Cross multiply
    131,704.71x = 181,752.51 × 71,275.37
  4. Step 4: Simplify right side
    131,704.71x = 12,954,476,489.92
  5. Step 5: Solve for x
    x = 12,954,476,489.92/131,704.71
  6. Step 6: Final answer
    x = 98,360.01

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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.