Home / 134,908.74-202,530.78-87,368.22

Finding the Fourth Proportional to 134,908.74, 202,530.78 and 87,368.22

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Solution

The fourth proportional to 134,908.74, 202,530.78 and 87,368.22 is: 131,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,908.74 : 202,530.78 = 87,368.22 : x
  2. Step 2: Convert to fraction form
    134,908.74/202,530.78 = 87,368.22/x
  3. Step 3: Cross multiply
    134,908.74x = 202,530.78 × 87,368.22
  4. Step 4: Simplify right side
    134,908.74x = 17,694,753,743.81
  5. Step 5: Solve for x
    x = 17,694,753,743.81/134,908.74
  6. Step 6: Final answer
    x = 131,160.91

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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.