Home / 162,786.65-224,634.88-91,150.25

Finding the Fourth Proportional to 162,786.65, 224,634.88 and 91,150.25

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Solution

The fourth proportional to 162,786.65, 224,634.88 and 91,150.25 is: 125,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,786.65 : 224,634.88 = 91,150.25 : x
  2. Step 2: Convert to fraction form
    162,786.65/224,634.88 = 91,150.25/x
  3. Step 3: Cross multiply
    162,786.65x = 224,634.88 × 91,150.25
  4. Step 4: Simplify right side
    162,786.65x = 20,475,525,470.72
  5. Step 5: Solve for x
    x = 20,475,525,470.72/162,786.65
  6. Step 6: Final answer
    x = 125,781.36

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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.