Home / 206,670.24-310,024.98-80,320.25

Finding the Fourth Proportional to 206,670.24, 310,024.98 and 80,320.25

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Solution

The fourth proportional to 206,670.24, 310,024.98 and 80,320.25 is: 120,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,670.24 : 310,024.98 = 80,320.25 : x
  2. Step 2: Convert to fraction form
    206,670.24/310,024.98 = 80,320.25/x
  3. Step 3: Cross multiply
    206,670.24x = 310,024.98 × 80,320.25
  4. Step 4: Simplify right side
    206,670.24x = 24,901,284,674.91
  5. Step 5: Solve for x
    x = 24,901,284,674.91/206,670.24
  6. Step 6: Final answer
    x = 120,488.00

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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.