Home / 131,284.40-197,164.20-114,954.80

Finding the Fourth Proportional to 131,284.40, 197,164.20 and 114,954.80

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Solution

The fourth proportional to 131,284.40, 197,164.20 and 114,954.80 is: 172,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,284.40 : 197,164.20 = 114,954.80 : x
  2. Step 2: Convert to fraction form
    131,284.40/197,164.20 = 114,954.80/x
  3. Step 3: Cross multiply
    131,284.40x = 197,164.20 × 114,954.80
  4. Step 4: Simplify right side
    131,284.40x = 22,664,971,178.16
  5. Step 5: Solve for x
    x = 22,664,971,178.16/131,284.40
  6. Step 6: Final answer
    x = 172,640.25

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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.