Home / 142,073.13-196,086.35-84,716.16

Finding the Fourth Proportional to 142,073.13, 196,086.35 and 84,716.16

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Solution

The fourth proportional to 142,073.13, 196,086.35 and 84,716.16 is: 116,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,073.13 : 196,086.35 = 84,716.16 : x
  2. Step 2: Convert to fraction form
    142,073.13/196,086.35 = 84,716.16/x
  3. Step 3: Cross multiply
    142,073.13x = 196,086.35 × 84,716.16
  4. Step 4: Simplify right side
    142,073.13x = 16,611,682,176.84
  5. Step 5: Solve for x
    x = 16,611,682,176.84/142,073.13
  6. Step 6: Final answer
    x = 116,923.46

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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.