Home / 136,916.73-187,572.51-131,799.56

Finding the Fourth Proportional to 136,916.73, 187,572.51 and 131,799.56

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Solution

The fourth proportional to 136,916.73, 187,572.51 and 131,799.56 is: 180,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,916.73 : 187,572.51 = 131,799.56 : x
  2. Step 2: Convert to fraction form
    136,916.73/187,572.51 = 131,799.56/x
  3. Step 3: Cross multiply
    136,916.73x = 187,572.51 × 131,799.56
  4. Step 4: Simplify right side
    136,916.73x = 24,721,973,348.23
  5. Step 5: Solve for x
    x = 24,721,973,348.23/136,916.73
  6. Step 6: Final answer
    x = 180,562.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.