Home / 141,673.93-195,509.77-81,260.82

Finding the Fourth Proportional to 141,673.93, 195,509.77 and 81,260.82

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Solution

The fourth proportional to 141,673.93, 195,509.77 and 81,260.82 is: 112,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,673.93 : 195,509.77 = 81,260.82 : x
  2. Step 2: Convert to fraction form
    141,673.93/195,509.77 = 81,260.82/x
  3. Step 3: Cross multiply
    141,673.93x = 195,509.77 × 81,260.82
  4. Step 4: Simplify right side
    141,673.93x = 15,887,284,025.06
  5. Step 5: Solve for x
    x = 15,887,284,025.06/141,673.93
  6. Step 6: Final answer
    x = 112,139.79

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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.