Home / 141,683.28-195,528.96-81,270.96

Finding the Fourth Proportional to 141,683.28, 195,528.96 and 81,270.96

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Solution

The fourth proportional to 141,683.28, 195,528.96 and 81,270.96 is: 112,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,683.28 : 195,528.96 = 81,270.96 : x
  2. Step 2: Convert to fraction form
    141,683.28/195,528.96 = 81,270.96/x
  3. Step 3: Cross multiply
    141,683.28x = 195,528.96 × 81,270.96
  4. Step 4: Simplify right side
    141,683.28x = 15,890,826,287.00
  5. Step 5: Solve for x
    x = 15,890,826,287.00/141,683.28
  6. Step 6: Final answer
    x = 112,157.39

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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.