Home / 167,930.16-231,725.29-99,937.70

Finding the Fourth Proportional to 167,930.16, 231,725.29 and 99,937.70

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Solution

The fourth proportional to 167,930.16, 231,725.29 and 99,937.70 is: 137,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,930.16 : 231,725.29 = 99,937.70 : x
  2. Step 2: Convert to fraction form
    167,930.16/231,725.29 = 99,937.70/x
  3. Step 3: Cross multiply
    167,930.16x = 231,725.29 × 99,937.70
  4. Step 4: Simplify right side
    167,930.16x = 23,158,092,583.93
  5. Step 5: Solve for x
    x = 23,158,092,583.93/167,930.16
  6. Step 6: Final answer
    x = 137,903.12

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1.5x scale

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.