Home / 141,887.64-195,804.93-78,229.53

Finding the Fourth Proportional to 141,887.64, 195,804.93 and 78,229.53

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Solution

The fourth proportional to 141,887.64, 195,804.93 and 78,229.53 is: 107,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887.64 : 195,804.93 = 78,229.53 : x
  2. Step 2: Convert to fraction form
    141,887.64/195,804.93 = 78,229.53/x
  3. Step 3: Cross multiply
    141,887.64x = 195,804.93 × 78,229.53
  4. Step 4: Simplify right side
    141,887.64x = 15,317,727,645.58
  5. Step 5: Solve for x
    x = 15,317,727,645.58/141,887.64
  6. Step 6: Final answer
    x = 107,956.74

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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.