Home / 164,985.92-247,470.68-90,252.04

Finding the Fourth Proportional to 164,985.92, 247,470.68 and 90,252.04

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Solution

The fourth proportional to 164,985.92, 247,470.68 and 90,252.04 is: 135,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,985.92 : 247,470.68 = 90,252.04 : x
  2. Step 2: Convert to fraction form
    164,985.92/247,470.68 = 90,252.04/x
  3. Step 3: Cross multiply
    164,985.92x = 247,470.68 × 90,252.04
  4. Step 4: Simplify right side
    164,985.92x = 22,334,732,640.25
  5. Step 5: Solve for x
    x = 22,334,732,640.25/164,985.92
  6. Step 6: Final answer
    x = 135,373.57

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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.