Home / 145,047.04-217,363.20-82,588.48

Finding the Fourth Proportional to 145,047.04, 217,363.20 and 82,588.48

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Solution

The fourth proportional to 145,047.04, 217,363.20 and 82,588.48 is: 123,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,047.04 : 217,363.20 = 82,588.48 : x
  2. Step 2: Convert to fraction form
    145,047.04/217,363.20 = 82,588.48/x
  3. Step 3: Cross multiply
    145,047.04x = 217,363.20 × 82,588.48
  4. Step 4: Simplify right side
    145,047.04x = 17,951,696,295.94
  5. Step 5: Solve for x
    x = 17,951,696,295.94/145,047.04
  6. Step 6: Final answer
    x = 123,764.65

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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.