Home / 136,305.34-204,545.49-66,146.38

Finding the Fourth Proportional to 136,305.34, 204,545.49 and 66,146.38

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Solution

The fourth proportional to 136,305.34, 204,545.49 and 66,146.38 is: 99,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,305.34 : 204,545.49 = 66,146.38 : x
  2. Step 2: Convert to fraction form
    136,305.34/204,545.49 = 66,146.38/x
  3. Step 3: Cross multiply
    136,305.34x = 204,545.49 × 66,146.38
  4. Step 4: Simplify right side
    136,305.34x = 13,529,943,708.83
  5. Step 5: Solve for x
    x = 13,529,943,708.83/136,305.34
  6. Step 6: Final answer
    x = 99,262.02

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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.