Home / 230,057.20-345,017.76-103,624.30

Finding the Fourth Proportional to 230,057.20, 345,017.76 and 103,624.30

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Solution

The fourth proportional to 230,057.20, 345,017.76 and 103,624.30 is: 155,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,057.20 : 345,017.76 = 103,624.30 : x
  2. Step 2: Convert to fraction form
    230,057.20/345,017.76 = 103,624.30/x
  3. Step 3: Cross multiply
    230,057.20x = 345,017.76 × 103,624.30
  4. Step 4: Simplify right side
    230,057.20x = 35,752,223,867.57
  5. Step 5: Solve for x
    x = 35,752,223,867.57/230,057.20
  6. Step 6: Final answer
    x = 155,405.80

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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.