Home / 143,634.06-198,029.70-117,696.15

Finding the Fourth Proportional to 143,634.06, 198,029.70 and 117,696.15

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Solution

The fourth proportional to 143,634.06, 198,029.70 and 117,696.15 is: 162,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,634.06 : 198,029.70 = 117,696.15 : x
  2. Step 2: Convert to fraction form
    143,634.06/198,029.70 = 117,696.15/x
  3. Step 3: Cross multiply
    143,634.06x = 198,029.70 × 117,696.15
  4. Step 4: Simplify right side
    143,634.06x = 23,307,333,275.66
  5. Step 5: Solve for x
    x = 23,307,333,275.66/143,634.06
  6. Step 6: Final answer
    x = 162,268.85

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1.5x scale

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.