Home / 141,816.29-195,710.58-78,158.18

Finding the Fourth Proportional to 141,816.29, 195,710.58 and 78,158.18

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Solution

The fourth proportional to 141,816.29, 195,710.58 and 78,158.18 is: 107,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.29 : 195,710.58 = 78,158.18 : x
  2. Step 2: Convert to fraction form
    141,816.29/195,710.58 = 78,158.18/x
  3. Step 3: Cross multiply
    141,816.29x = 195,710.58 × 78,158.18
  4. Step 4: Simplify right side
    141,816.29x = 15,296,383,228.82
  5. Step 5: Solve for x
    x = 15,296,383,228.82/141,816.29
  6. Step 6: Final answer
    x = 107,860.56

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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.