Home / 193,115.12-289,752.70-104,264.18

Finding the Fourth Proportional to 193,115.12, 289,752.70 and 104,264.18

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Solution

The fourth proportional to 193,115.12, 289,752.70 and 104,264.18 is: 156,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,115.12 : 289,752.70 = 104,264.18 : x
  2. Step 2: Convert to fraction form
    193,115.12/289,752.70 = 104,264.18/x
  3. Step 3: Cross multiply
    193,115.12x = 289,752.70 × 104,264.18
  4. Step 4: Simplify right side
    193,115.12x = 30,210,827,668.29
  5. Step 5: Solve for x
    x = 30,210,827,668.29/193,115.12
  6. Step 6: Final answer
    x = 156,439.47

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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.