Home / 118,277.25-163,179.81-91,061.61

Finding the Fourth Proportional to 118,277.25, 163,179.81 and 91,061.61

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Solution

The fourth proportional to 118,277.25, 163,179.81 and 91,061.61 is: 125,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,277.25 : 163,179.81 = 91,061.61 : x
  2. Step 2: Convert to fraction form
    118,277.25/163,179.81 = 91,061.61/x
  3. Step 3: Cross multiply
    118,277.25x = 163,179.81 × 91,061.61
  4. Step 4: Simplify right side
    118,277.25x = 14,859,416,218.09
  5. Step 5: Solve for x
    x = 14,859,416,218.09/118,277.25
  6. Step 6: Final answer
    x = 125,632.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.