Home / 348,542.30-522,886.35-111,908.90

Finding the Fourth Proportional to 348,542.30, 522,886.35 and 111,908.90

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Solution

The fourth proportional to 348,542.30, 522,886.35 and 111,908.90 is: 167,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,542.30 : 522,886.35 = 111,908.90 : x
  2. Step 2: Convert to fraction form
    348,542.30/522,886.35 = 111,908.90/x
  3. Step 3: Cross multiply
    348,542.30x = 522,886.35 × 111,908.90
  4. Step 4: Simplify right side
    348,542.30x = 58,515,636,253.52
  5. Step 5: Solve for x
    x = 58,515,636,253.52/348,542.30
  6. Step 6: Final answer
    x = 167,886.76

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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.