Home / 142,482.93-196,620.63-82,055.85

Finding the Fourth Proportional to 142,482.93, 196,620.63 and 82,055.85

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Solution

The fourth proportional to 142,482.93, 196,620.63 and 82,055.85 is: 113,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,482.93 : 196,620.63 = 82,055.85 : x
  2. Step 2: Convert to fraction form
    142,482.93/196,620.63 = 82,055.85/x
  3. Step 3: Cross multiply
    142,482.93x = 196,620.63 × 82,055.85
  4. Step 4: Simplify right side
    142,482.93x = 16,133,871,528.80
  5. Step 5: Solve for x
    x = 16,133,871,528.80/142,482.93
  6. Step 6: Final answer
    x = 113,233.72

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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.