Home / 348,391.14-522,638.65-123,732.70

Finding the Fourth Proportional to 348,391.14, 522,638.65 and 123,732.70

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Solution

The fourth proportional to 348,391.14, 522,638.65 and 123,732.70 is: 185,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,391.14 : 522,638.65 = 123,732.70 : x
  2. Step 2: Convert to fraction form
    348,391.14/522,638.65 = 123,732.70/x
  3. Step 3: Cross multiply
    348,391.14x = 522,638.65 × 123,732.70
  4. Step 4: Simplify right side
    348,391.14x = 64,667,490,136.92
  5. Step 5: Solve for x
    x = 64,667,490,136.92/348,391.14
  6. Step 6: Final answer
    x = 185,617.50

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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.