Home / 174,114.36-261,084.06-80,685.72

Finding the Fourth Proportional to 174,114.36, 261,084.06 and 80,685.72

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Solution

The fourth proportional to 174,114.36, 261,084.06 and 80,685.72 is: 120,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,114.36 : 261,084.06 = 80,685.72 : x
  2. Step 2: Convert to fraction form
    174,114.36/261,084.06 = 80,685.72/x
  3. Step 3: Cross multiply
    174,114.36x = 261,084.06 × 80,685.72
  4. Step 4: Simplify right side
    174,114.36x = 21,065,755,361.62
  5. Step 5: Solve for x
    x = 21,065,755,361.62/174,114.36
  6. Step 6: Final answer
    x = 120,988.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.