Home / 141,330.94-195,036.06-80,901.25

Finding the Fourth Proportional to 141,330.94, 195,036.06 and 80,901.25

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Solution

The fourth proportional to 141,330.94, 195,036.06 and 80,901.25 is: 111,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.94 : 195,036.06 = 80,901.25 : x
  2. Step 2: Convert to fraction form
    141,330.94/195,036.06 = 80,901.25/x
  3. Step 3: Cross multiply
    141,330.94x = 195,036.06 × 80,901.25
  4. Step 4: Simplify right side
    141,330.94x = 15,778,661,049.08
  5. Step 5: Solve for x
    x = 15,778,661,049.08/141,330.94
  6. Step 6: Final answer
    x = 111,643.36

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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.