Home / 136,875.05-205,677.07-73,743.65

Finding the Fourth Proportional to 136,875.05, 205,677.07 and 73,743.65

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Solution

The fourth proportional to 136,875.05, 205,677.07 and 73,743.65 is: 110,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,875.05 : 205,677.07 = 73,743.65 : x
  2. Step 2: Convert to fraction form
    136,875.05/205,677.07 = 73,743.65/x
  3. Step 3: Cross multiply
    136,875.05x = 205,677.07 × 73,743.65
  4. Step 4: Simplify right side
    136,875.05x = 15,167,376,834.72
  5. Step 5: Solve for x
    x = 15,167,376,834.72/136,875.05
  6. Step 6: Final answer
    x = 110,811.85

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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.