Home / 193,568.78-267,222.03-121,011.98

Finding the Fourth Proportional to 193,568.78, 267,222.03 and 121,011.98

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Solution

The fourth proportional to 193,568.78, 267,222.03 and 121,011.98 is: 167,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,568.78 : 267,222.03 = 121,011.98 : x
  2. Step 2: Convert to fraction form
    193,568.78/267,222.03 = 121,011.98/x
  3. Step 3: Cross multiply
    193,568.78x = 267,222.03 × 121,011.98
  4. Step 4: Simplify right side
    193,568.78x = 32,337,065,613.81
  5. Step 5: Solve for x
    x = 32,337,065,613.81/193,568.78
  6. Step 6: Final answer
    x = 167,057.24

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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.