Home / 118,165.86-177,327.62-61,292.18

Finding the Fourth Proportional to 118,165.86, 177,327.62 and 61,292.18

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Solution

The fourth proportional to 118,165.86, 177,327.62 and 61,292.18 is: 91,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,165.86 : 177,327.62 = 61,292.18 : x
  2. Step 2: Convert to fraction form
    118,165.86/177,327.62 = 61,292.18/x
  3. Step 3: Cross multiply
    118,165.86x = 177,327.62 × 61,292.18
  4. Step 4: Simplify right side
    118,165.86x = 10,868,796,540.87
  5. Step 5: Solve for x
    x = 10,868,796,540.87/118,165.86
  6. Step 6: Final answer
    x = 91,979.16

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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.