Home / 141,687.06-195,527.78-77,155.26

Finding the Fourth Proportional to 141,687.06, 195,527.78 and 77,155.26

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Solution

The fourth proportional to 141,687.06, 195,527.78 and 77,155.26 is: 106,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,687.06 : 195,527.78 = 77,155.26 : x
  2. Step 2: Convert to fraction form
    141,687.06/195,527.78 = 77,155.26/x
  3. Step 3: Cross multiply
    141,687.06x = 195,527.78 × 77,155.26
  4. Step 4: Simplify right side
    141,687.06x = 15,085,996,703.12
  5. Step 5: Solve for x
    x = 15,085,996,703.12/141,687.06
  6. Step 6: Final answer
    x = 106,474.06

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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.