Home / 141,527.43-195,305.07-77,866.29

Finding the Fourth Proportional to 141,527.43, 195,305.07 and 77,866.29

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Solution

The fourth proportional to 141,527.43, 195,305.07 and 77,866.29 is: 107,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,527.43 : 195,305.07 = 77,866.29 : x
  2. Step 2: Convert to fraction form
    141,527.43/195,305.07 = 77,866.29/x
  3. Step 3: Cross multiply
    141,527.43x = 195,305.07 × 77,866.29
  4. Step 4: Simplify right side
    141,527.43x = 15,207,681,219.09
  5. Step 5: Solve for x
    x = 15,207,681,219.09/141,527.43
  6. Step 6: Final answer
    x = 107,453.95

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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.