Home / 136,223.15-204,351.12-45,041.65

Finding the Fourth Proportional to 136,223.15, 204,351.12 and 45,041.65

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Solution

The fourth proportional to 136,223.15, 204,351.12 and 45,041.65 is: 67,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,223.15 : 204,351.12 = 45,041.65 : x
  2. Step 2: Convert to fraction form
    136,223.15/204,351.12 = 45,041.65/x
  3. Step 3: Cross multiply
    136,223.15x = 204,351.12 × 45,041.65
  4. Step 4: Simplify right side
    136,223.15x = 9,204,310,602.39
  5. Step 5: Solve for x
    x = 9,204,310,602.39/136,223.15
  6. Step 6: Final answer
    x = 67,567.89

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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.