Home / 429,966.66-644,947.96-110,117.92

Finding the Fourth Proportional to 429,966.66, 644,947.96 and 110,117.92

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Solution

The fourth proportional to 429,966.66, 644,947.96 and 110,117.92 is: 165,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,966.66 : 644,947.96 = 110,117.92 : x
  2. Step 2: Convert to fraction form
    429,966.66/644,947.96 = 110,117.92/x
  3. Step 3: Cross multiply
    429,966.66x = 644,947.96 × 110,117.92
  4. Step 4: Simplify right side
    429,966.66x = 71,020,327,863.44
  5. Step 5: Solve for x
    x = 71,020,327,863.44/429,966.66
  6. Step 6: Final answer
    x = 165,176.36

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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.