Home / 198,196.56-273,509.64-112,154.76

Finding the Fourth Proportional to 198,196.56, 273,509.64 and 112,154.76

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Solution

The fourth proportional to 198,196.56, 273,509.64 and 112,154.76 is: 154,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,196.56 : 273,509.64 = 112,154.76 : x
  2. Step 2: Convert to fraction form
    198,196.56/273,509.64 = 112,154.76/x
  3. Step 3: Cross multiply
    198,196.56x = 273,509.64 × 112,154.76
  4. Step 4: Simplify right side
    198,196.56x = 30,675,408,031.89
  5. Step 5: Solve for x
    x = 30,675,408,031.89/198,196.56
  6. Step 6: Final answer
    x = 154,772.66

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1.5x scale

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.