Home / 348,617.57-523,147.52-148,939.46

Finding the Fourth Proportional to 348,617.57, 523,147.52 and 148,939.46

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Solution

The fourth proportional to 348,617.57, 523,147.52 and 148,939.46 is: 223,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,617.57 : 523,147.52 = 148,939.46 : x
  2. Step 2: Convert to fraction form
    348,617.57/523,147.52 = 148,939.46/x
  3. Step 3: Cross multiply
    348,617.57x = 523,147.52 × 148,939.46
  4. Step 4: Simplify right side
    348,617.57x = 77,917,309,129.14
  5. Step 5: Solve for x
    x = 77,917,309,129.14/348,617.57
  6. Step 6: Final answer
    x = 223,503.68

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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.