Home / 141,914.77-195,841.79-78,253.63

Finding the Fourth Proportional to 141,914.77, 195,841.79 and 78,253.63

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Solution

The fourth proportional to 141,914.77, 195,841.79 and 78,253.63 is: 107,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,914.77 : 195,841.79 = 78,253.63 : x
  2. Step 2: Convert to fraction form
    141,914.77/195,841.79 = 78,253.63/x
  3. Step 3: Cross multiply
    141,914.77x = 195,841.79 × 78,253.63
  4. Step 4: Simplify right side
    141,914.77x = 15,325,330,973.20
  5. Step 5: Solve for x
    x = 15,325,330,973.20/141,914.77
  6. Step 6: Final answer
    x = 107,989.68

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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.