Home / 166,816.32-230,206.65-90,335.50

Finding the Fourth Proportional to 166,816.32, 230,206.65 and 90,335.50

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Solution

The fourth proportional to 166,816.32, 230,206.65 and 90,335.50 is: 124,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,816.32 : 230,206.65 = 90,335.50 : x
  2. Step 2: Convert to fraction form
    166,816.32/230,206.65 = 90,335.50/x
  3. Step 3: Cross multiply
    166,816.32x = 230,206.65 × 90,335.50
  4. Step 4: Simplify right side
    166,816.32x = 20,795,833,311.73
  5. Step 5: Solve for x
    x = 20,795,833,311.73/166,816.32
  6. Step 6: Final answer
    x = 124,663.06

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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.