Home / 141,884.39-195,801.80-78,224.46

Finding the Fourth Proportional to 141,884.39, 195,801.80 and 78,224.46

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Solution

The fourth proportional to 141,884.39, 195,801.80 and 78,224.46 is: 107,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,884.39 : 195,801.80 = 78,224.46 : x
  2. Step 2: Convert to fraction form
    141,884.39/195,801.80 = 78,224.46/x
  3. Step 3: Cross multiply
    141,884.39x = 195,801.80 × 78,224.46
  4. Step 4: Simplify right side
    141,884.39x = 15,316,489,680.91
  5. Step 5: Solve for x
    x = 15,316,489,680.91/141,884.39
  6. Step 6: Final answer
    x = 107,950.50

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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.