Home / 141,857.16-195,761.58-77,326.38

Finding the Fourth Proportional to 141,857.16, 195,761.58 and 77,326.38

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Solution

The fourth proportional to 141,857.16, 195,761.58 and 77,326.38 is: 106,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.16 : 195,761.58 = 77,326.38 : x
  2. Step 2: Convert to fraction form
    141,857.16/195,761.58 = 77,326.38/x
  3. Step 3: Cross multiply
    141,857.16x = 195,761.58 × 77,326.38
  4. Step 4: Simplify right side
    141,857.16x = 15,137,534,324.48
  5. Step 5: Solve for x
    x = 15,137,534,324.48/141,857.16
  6. Step 6: Final answer
    x = 106,709.70

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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.