Home / 139,233.14-192,191.60-82,644.50

Finding the Fourth Proportional to 139,233.14, 192,191.60 and 82,644.50

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Solution

The fourth proportional to 139,233.14, 192,191.60 and 82,644.50 is: 114,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,233.14 : 192,191.60 = 82,644.50 : x
  2. Step 2: Convert to fraction form
    139,233.14/192,191.60 = 82,644.50/x
  3. Step 3: Cross multiply
    139,233.14x = 192,191.60 × 82,644.50
  4. Step 4: Simplify right side
    139,233.14x = 15,883,578,686.20
  5. Step 5: Solve for x
    x = 15,883,578,686.20/139,233.14
  6. Step 6: Final answer
    x = 114,079.01

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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.