Home / 166,875.03-230,286.78-91,423.53

Finding the Fourth Proportional to 166,875.03, 230,286.78 and 91,423.53

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Solution

The fourth proportional to 166,875.03, 230,286.78 and 91,423.53 is: 126,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,875.03 : 230,286.78 = 91,423.53 : x
  2. Step 2: Convert to fraction form
    166,875.03/230,286.78 = 91,423.53/x
  3. Step 3: Cross multiply
    166,875.03x = 230,286.78 × 91,423.53
  4. Step 4: Simplify right side
    166,875.03x = 21,053,630,339.93
  5. Step 5: Solve for x
    x = 21,053,630,339.93/166,875.03
  6. Step 6: Final answer
    x = 126,164.05

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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.