Home / 141,382.40-195,112.47-83,228.65

Finding the Fourth Proportional to 141,382.40, 195,112.47 and 83,228.65

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Solution

The fourth proportional to 141,382.40, 195,112.47 and 83,228.65 is: 114,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,382.40 : 195,112.47 = 83,228.65 : x
  2. Step 2: Convert to fraction form
    141,382.40/195,112.47 = 83,228.65/x
  3. Step 3: Cross multiply
    141,382.40x = 195,112.47 × 83,228.65
  4. Step 4: Simplify right side
    141,382.40x = 16,238,947,060.12
  5. Step 5: Solve for x
    x = 16,238,947,060.12/141,382.40
  6. Step 6: Final answer
    x = 114,858.33

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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.