Home / 346,747.11-520,270.92-122,267.90

Finding the Fourth Proportional to 346,747.11, 520,270.92 and 122,267.90

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Solution

The fourth proportional to 346,747.11, 520,270.92 and 122,267.90 is: 183,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,747.11 : 520,270.92 = 122,267.90 : x
  2. Step 2: Convert to fraction form
    346,747.11/520,270.92 = 122,267.90/x
  3. Step 3: Cross multiply
    346,747.11x = 520,270.92 × 122,267.90
  4. Step 4: Simplify right side
    346,747.11x = 63,612,430,218.11
  5. Step 5: Solve for x
    x = 63,612,430,218.11/346,747.11
  6. Step 6: Final answer
    x = 183,454.82

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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.