Home / 119,846.20-179,625.30-49,689.40

Finding the Fourth Proportional to 119,846.20, 179,625.30 and 49,689.40

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Solution

The fourth proportional to 119,846.20, 179,625.30 and 49,689.40 is: 74,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,846.20 : 179,625.30 = 49,689.40 : x
  2. Step 2: Convert to fraction form
    119,846.20/179,625.30 = 49,689.40/x
  3. Step 3: Cross multiply
    119,846.20x = 179,625.30 × 49,689.40
  4. Step 4: Simplify right side
    119,846.20x = 8,925,473,381.82
  5. Step 5: Solve for x
    x = 8,925,473,381.82/119,846.20
  6. Step 6: Final answer
    x = 74,474.40

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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.