Home / 142,734.93-196,995.18-82,293.75

Finding the Fourth Proportional to 142,734.93, 196,995.18 and 82,293.75

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Solution

The fourth proportional to 142,734.93, 196,995.18 and 82,293.75 is: 113,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,734.93 : 196,995.18 = 82,293.75 : x
  2. Step 2: Convert to fraction form
    142,734.93/196,995.18 = 82,293.75/x
  3. Step 3: Cross multiply
    142,734.93x = 196,995.18 × 82,293.75
  4. Step 4: Simplify right side
    142,734.93x = 16,211,472,094.13
  5. Step 5: Solve for x
    x = 16,211,472,094.13/142,734.93
  6. Step 6: Final answer
    x = 113,577.47

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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.