Home / 403,433.15-604,974.76-137,122.16

Finding the Fourth Proportional to 403,433.15, 604,974.76 and 137,122.16

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Solution

The fourth proportional to 403,433.15, 604,974.76 and 137,122.16 is: 205,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,433.15 : 604,974.76 = 137,122.16 : x
  2. Step 2: Convert to fraction form
    403,433.15/604,974.76 = 137,122.16/x
  3. Step 3: Cross multiply
    403,433.15x = 604,974.76 × 137,122.16
  4. Step 4: Simplify right side
    403,433.15x = 82,955,442,469.00
  5. Step 5: Solve for x
    x = 82,955,442,469.00/403,433.15
  6. Step 6: Final answer
    x = 205,623.77

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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.