Home / 230,909.80-346,330.06-73,117.75

Finding the Fourth Proportional to 230,909.80, 346,330.06 and 73,117.75

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Solution

The fourth proportional to 230,909.80, 346,330.06 and 73,117.75 is: 109,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,909.80 : 346,330.06 = 73,117.75 : x
  2. Step 2: Convert to fraction form
    230,909.80/346,330.06 = 73,117.75/x
  3. Step 3: Cross multiply
    230,909.80x = 346,330.06 × 73,117.75
  4. Step 4: Simplify right side
    230,909.80x = 25,322,874,744.57
  5. Step 5: Solve for x
    x = 25,322,874,744.57/230,909.80
  6. Step 6: Final answer
    x = 109,665.66

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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.