Home / 141,364.52-195,083.46-77,708.84

Finding the Fourth Proportional to 141,364.52, 195,083.46 and 77,708.84

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Solution

The fourth proportional to 141,364.52, 195,083.46 and 77,708.84 is: 107,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,364.52 : 195,083.46 = 77,708.84 : x
  2. Step 2: Convert to fraction form
    141,364.52/195,083.46 = 77,708.84/x
  3. Step 3: Cross multiply
    141,364.52x = 195,083.46 × 77,708.84
  4. Step 4: Simplify right side
    141,364.52x = 15,159,709,379.79
  5. Step 5: Solve for x
    x = 15,159,709,379.79/141,364.52
  6. Step 6: Final answer
    x = 107,238.43

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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.