Home / 104,896.65-157,345.13-80,077.62

Finding the Fourth Proportional to 104,896.65, 157,345.13 and 80,077.62

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Solution

The fourth proportional to 104,896.65, 157,345.13 and 80,077.62 is: 120,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,896.65 : 157,345.13 = 80,077.62 : x
  2. Step 2: Convert to fraction form
    104,896.65/157,345.13 = 80,077.62/x
  3. Step 3: Cross multiply
    104,896.65x = 157,345.13 × 80,077.62
  4. Step 4: Simplify right side
    104,896.65x = 12,599,823,528.99
  5. Step 5: Solve for x
    x = 12,599,823,528.99/104,896.65
  6. Step 6: Final answer
    x = 120,116.55

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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.