Home / 136,677.31-204,837.05-73,423.50

Finding the Fourth Proportional to 136,677.31, 204,837.05 and 73,423.50

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Solution

The fourth proportional to 136,677.31, 204,837.05 and 73,423.50 is: 110,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,677.31 : 204,837.05 = 73,423.50 : x
  2. Step 2: Convert to fraction form
    136,677.31/204,837.05 = 73,423.50/x
  3. Step 3: Cross multiply
    136,677.31x = 204,837.05 × 73,423.50
  4. Step 4: Simplify right side
    136,677.31x = 15,039,852,773.56
  5. Step 5: Solve for x
    x = 15,039,852,773.56/136,677.31
  6. Step 6: Final answer
    x = 110,039.14

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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.