Home / 130,871.90-196,330.86-67,674.82

Finding the Fourth Proportional to 130,871.90, 196,330.86 and 67,674.82

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Solution

The fourth proportional to 130,871.90, 196,330.86 and 67,674.82 is: 101,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,871.90 : 196,330.86 = 67,674.82 : x
  2. Step 2: Convert to fraction form
    130,871.90/196,330.86 = 67,674.82/x
  3. Step 3: Cross multiply
    130,871.90x = 196,330.86 × 67,674.82
  4. Step 4: Simplify right side
    130,871.90x = 13,286,655,126.39
  5. Step 5: Solve for x
    x = 13,286,655,126.39/130,871.90
  6. Step 6: Final answer
    x = 101,524.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.