Home / 348,549.30-522,896.85-111,915.90

Finding the Fourth Proportional to 348,549.30, 522,896.85 and 111,915.90

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Solution

The fourth proportional to 348,549.30, 522,896.85 and 111,915.90 is: 167,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,549.30 : 522,896.85 = 111,915.90 : x
  2. Step 2: Convert to fraction form
    348,549.30/522,896.85 = 111,915.90/x
  3. Step 3: Cross multiply
    348,549.30x = 522,896.85 × 111,915.90
  4. Step 4: Simplify right side
    348,549.30x = 58,520,471,574.92
  5. Step 5: Solve for x
    x = 58,520,471,574.92/348,549.30
  6. Step 6: Final answer
    x = 167,897.26

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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.