Home / 230,688.24-345,638.64-125,318.52

Finding the Fourth Proportional to 230,688.24, 345,638.64 and 125,318.52

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Solution

The fourth proportional to 230,688.24, 345,638.64 and 125,318.52 is: 187,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,688.24 : 345,638.64 = 125,318.52 : x
  2. Step 2: Convert to fraction form
    230,688.24/345,638.64 = 125,318.52/x
  3. Step 3: Cross multiply
    230,688.24x = 345,638.64 × 125,318.52
  4. Step 4: Simplify right side
    230,688.24x = 43,314,922,819.61
  5. Step 5: Solve for x
    x = 43,314,922,819.61/230,688.24
  6. Step 6: Final answer
    x = 187,763.90

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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.