Home / 230,865.90-346,309.65-73,106.70

Finding the Fourth Proportional to 230,865.90, 346,309.65 and 73,106.70

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Solution

The fourth proportional to 230,865.90, 346,309.65 and 73,106.70 is: 109,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,865.90 : 346,309.65 = 73,106.70 : x
  2. Step 2: Convert to fraction form
    230,865.90/346,309.65 = 73,106.70/x
  3. Step 3: Cross multiply
    230,865.90x = 346,309.65 × 73,106.70
  4. Step 4: Simplify right side
    230,865.90x = 25,317,555,689.66
  5. Step 5: Solve for x
    x = 25,317,555,689.66/230,865.90
  6. Step 6: Final answer
    x = 109,663.47

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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.