Home / 134,975.22-186,262.42-73,718.87

Finding the Fourth Proportional to 134,975.22, 186,262.42 and 73,718.87

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Solution

The fourth proportional to 134,975.22, 186,262.42 and 73,718.87 is: 101,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,975.22 : 186,262.42 = 73,718.87 : x
  2. Step 2: Convert to fraction form
    134,975.22/186,262.42 = 73,718.87/x
  3. Step 3: Cross multiply
    134,975.22x = 186,262.42 × 73,718.87
  4. Step 4: Simplify right side
    134,975.22x = 13,731,055,125.87
  5. Step 5: Solve for x
    x = 13,731,055,125.87/134,975.22
  6. Step 6: Final answer
    x = 101,730.19

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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.