Home / 141,685.00-195,526.61-78,023.25

Finding the Fourth Proportional to 141,685.00, 195,526.61 and 78,023.25

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Solution

The fourth proportional to 141,685.00, 195,526.61 and 78,023.25 is: 107,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,685.00 : 195,526.61 = 78,023.25 : x
  2. Step 2: Convert to fraction form
    141,685.00/195,526.61 = 78,023.25/x
  3. Step 3: Cross multiply
    141,685.00x = 195,526.61 × 78,023.25
  4. Step 4: Simplify right side
    141,685.00x = 15,255,621,476.15
  5. Step 5: Solve for x
    x = 15,255,621,476.15/141,685.00
  6. Step 6: Final answer
    x = 107,672.81

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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.