Home / 141,998.40-195,957.63-78,336.18

Finding the Fourth Proportional to 141,998.40, 195,957.63 and 78,336.18

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Solution

The fourth proportional to 141,998.40, 195,957.63 and 78,336.18 is: 108,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,998.40 : 195,957.63 = 78,336.18 : x
  2. Step 2: Convert to fraction form
    141,998.40/195,957.63 = 78,336.18/x
  3. Step 3: Cross multiply
    141,998.40x = 195,957.63 × 78,336.18
  4. Step 4: Simplify right side
    141,998.40x = 15,350,572,176.05
  5. Step 5: Solve for x
    x = 15,350,572,176.05/141,998.40
  6. Step 6: Final answer
    x = 108,103.84

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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.