Home / 166,740.65-230,234.78-153,989.18

Finding the Fourth Proportional to 166,740.65, 230,234.78 and 153,989.18

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Solution

The fourth proportional to 166,740.65, 230,234.78 and 153,989.18 is: 212,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,740.65 : 230,234.78 = 153,989.18 : x
  2. Step 2: Convert to fraction form
    166,740.65/230,234.78 = 153,989.18/x
  3. Step 3: Cross multiply
    166,740.65x = 230,234.78 × 153,989.18
  4. Step 4: Simplify right side
    166,740.65x = 35,453,664,979.68
  5. Step 5: Solve for x
    x = 35,453,664,979.68/166,740.65
  6. Step 6: Final answer
    x = 212,627.60

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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.