Home / 118,088.62-177,171.18-70,696.30

Finding the Fourth Proportional to 118,088.62, 177,171.18 and 70,696.30

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Solution

The fourth proportional to 118,088.62, 177,171.18 and 70,696.30 is: 106,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,088.62 : 177,171.18 = 70,696.30 : x
  2. Step 2: Convert to fraction form
    118,088.62/177,171.18 = 70,696.30/x
  3. Step 3: Cross multiply
    118,088.62x = 177,171.18 × 70,696.30
  4. Step 4: Simplify right side
    118,088.62x = 12,525,346,272.97
  5. Step 5: Solve for x
    x = 12,525,346,272.97/118,088.62
  6. Step 6: Final answer
    x = 106,067.35

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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.