Home / 166,319.84-229,524.48-90,866.72

Finding the Fourth Proportional to 166,319.84, 229,524.48 and 90,866.72

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Solution

The fourth proportional to 166,319.84, 229,524.48 and 90,866.72 is: 125,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,319.84 : 229,524.48 = 90,866.72 : x
  2. Step 2: Convert to fraction form
    166,319.84/229,524.48 = 90,866.72/x
  3. Step 3: Cross multiply
    166,319.84x = 229,524.48 × 90,866.72
  4. Step 4: Simplify right side
    166,319.84x = 20,856,136,657.31
  5. Step 5: Solve for x
    x = 20,856,136,657.31/166,319.84
  6. Step 6: Final answer
    x = 125,397.77

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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.