Home / 166,919.16-230,222.79-115,931.96

Finding the Fourth Proportional to 166,919.16, 230,222.79 and 115,931.96

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Solution

The fourth proportional to 166,919.16, 230,222.79 and 115,931.96 is: 159,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,919.16 : 230,222.79 = 115,931.96 : x
  2. Step 2: Convert to fraction form
    166,919.16/230,222.79 = 115,931.96/x
  3. Step 3: Cross multiply
    166,919.16x = 230,222.79 × 115,931.96
  4. Step 4: Simplify right side
    166,919.16x = 26,690,178,130.25
  5. Step 5: Solve for x
    x = 26,690,178,130.25/166,919.16
  6. Step 6: Final answer
    x = 159,898.83

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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.