Home / 141,367.09-195,086.73-77,703.52

Finding the Fourth Proportional to 141,367.09, 195,086.73 and 77,703.52

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Solution

The fourth proportional to 141,367.09, 195,086.73 and 77,703.52 is: 107,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,367.09 : 195,086.73 = 77,703.52 : x
  2. Step 2: Convert to fraction form
    141,367.09/195,086.73 = 77,703.52/x
  3. Step 3: Cross multiply
    141,367.09x = 195,086.73 × 77,703.52
  4. Step 4: Simplify right side
    141,367.09x = 15,158,925,626.29
  5. Step 5: Solve for x
    x = 15,158,925,626.29/141,367.09
  6. Step 6: Final answer
    x = 107,230.94

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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.