Home / 429,965.66-644,946.46-110,116.92

Finding the Fourth Proportional to 429,965.66, 644,946.46 and 110,116.92

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Solution

The fourth proportional to 429,965.66, 644,946.46 and 110,116.92 is: 165,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,965.66 : 644,946.46 = 110,116.92 : x
  2. Step 2: Convert to fraction form
    429,965.66/644,946.46 = 110,116.92/x
  3. Step 3: Cross multiply
    429,965.66x = 644,946.46 × 110,116.92
  4. Step 4: Simplify right side
    429,965.66x = 71,019,517,740.10
  5. Step 5: Solve for x
    x = 71,019,517,740.10/429,965.66
  6. Step 6: Final answer
    x = 165,174.86

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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.