Home / 166,890.16-230,338.65-106,479.55

Finding the Fourth Proportional to 166,890.16, 230,338.65 and 106,479.55

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Solution

The fourth proportional to 166,890.16, 230,338.65 and 106,479.55 is: 146,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,890.16 : 230,338.65 = 106,479.55 : x
  2. Step 2: Convert to fraction form
    166,890.16/230,338.65 = 106,479.55/x
  3. Step 3: Cross multiply
    166,890.16x = 230,338.65 × 106,479.55
  4. Step 4: Simplify right side
    166,890.16x = 24,526,355,799.61
  5. Step 5: Solve for x
    x = 24,526,355,799.61/166,890.16
  6. Step 6: Final answer
    x = 146,961.07

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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.