Home / 166,781.40-230,193.08-153,331.35

Finding the Fourth Proportional to 166,781.40, 230,193.08 and 153,331.35

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Solution

The fourth proportional to 166,781.40, 230,193.08 and 153,331.35 is: 211,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,781.40 : 230,193.08 = 153,331.35 : x
  2. Step 2: Convert to fraction form
    166,781.40/230,193.08 = 153,331.35/x
  3. Step 3: Cross multiply
    166,781.40x = 230,193.08 × 153,331.35
  4. Step 4: Simplify right side
    166,781.40x = 35,295,815,717.06
  5. Step 5: Solve for x
    x = 35,295,815,717.06/166,781.40
  6. Step 6: Final answer
    x = 211,629.21

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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.