Home / 156,908.85-235,363.28-109,669.65

Finding the Fourth Proportional to 156,908.85, 235,363.28 and 109,669.65

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Solution

The fourth proportional to 156,908.85, 235,363.28 and 109,669.65 is: 164,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,908.85 : 235,363.28 = 109,669.65 : x
  2. Step 2: Convert to fraction form
    156,908.85/235,363.28 = 109,669.65/x
  3. Step 3: Cross multiply
    156,908.85x = 235,363.28 × 109,669.65
  4. Step 4: Simplify right side
    156,908.85x = 25,812,207,992.10
  5. Step 5: Solve for x
    x = 25,812,207,992.10/156,908.85
  6. Step 6: Final answer
    x = 164,504.48

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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.