Home / 197,885.76-273,095.64-111,814.92

Finding the Fourth Proportional to 197,885.76, 273,095.64 and 111,814.92

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Solution

The fourth proportional to 197,885.76, 273,095.64 and 111,814.92 is: 154,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,885.76 : 273,095.64 = 111,814.92 : x
  2. Step 2: Convert to fraction form
    197,885.76/273,095.64 = 111,814.92/x
  3. Step 3: Cross multiply
    197,885.76x = 273,095.64 × 111,814.92
  4. Step 4: Simplify right side
    197,885.76x = 30,536,167,138.95
  5. Step 5: Solve for x
    x = 30,536,167,138.95/197,885.76
  6. Step 6: Final answer
    x = 154,312.10

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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.