Home / 147,013.16-202,812.66-97,965.80

Finding the Fourth Proportional to 147,013.16, 202,812.66 and 97,965.80

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Solution

The fourth proportional to 147,013.16, 202,812.66 and 97,965.80 is: 135,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,013.16 : 202,812.66 = 97,965.80 : x
  2. Step 2: Convert to fraction form
    147,013.16/202,812.66 = 97,965.80/x
  3. Step 3: Cross multiply
    147,013.16x = 202,812.66 × 97,965.80
  4. Step 4: Simplify right side
    147,013.16x = 19,868,704,487.03
  5. Step 5: Solve for x
    x = 19,868,704,487.03/147,013.16
  6. Step 6: Final answer
    x = 135,149.16

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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.