Home / 141,613.35-195,426.47-77,950.69

Finding the Fourth Proportional to 141,613.35, 195,426.47 and 77,950.69

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Solution

The fourth proportional to 141,613.35, 195,426.47 and 77,950.69 is: 107,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,613.35 : 195,426.47 = 77,950.69 : x
  2. Step 2: Convert to fraction form
    141,613.35/195,426.47 = 77,950.69/x
  3. Step 3: Cross multiply
    141,613.35x = 195,426.47 × 77,950.69
  4. Step 4: Simplify right side
    141,613.35x = 15,233,627,887.07
  5. Step 5: Solve for x
    x = 15,233,627,887.07/141,613.35
  6. Step 6: Final answer
    x = 107,571.98

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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.