Home / 142,719.37-196,723.18-96,764.12

Finding the Fourth Proportional to 142,719.37, 196,723.18 and 96,764.12

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Solution

The fourth proportional to 142,719.37, 196,723.18 and 96,764.12 is: 133,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,719.37 : 196,723.18 = 96,764.12 : x
  2. Step 2: Convert to fraction form
    142,719.37/196,723.18 = 96,764.12/x
  3. Step 3: Cross multiply
    142,719.37x = 196,723.18 × 96,764.12
  4. Step 4: Simplify right side
    142,719.37x = 19,035,745,271.35
  5. Step 5: Solve for x
    x = 19,035,745,271.35/142,719.37
  6. Step 6: Final answer
    x = 133,378.85

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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.