Home / 166,851.63-230,261.00-91,400.13

Finding the Fourth Proportional to 166,851.63, 230,261.00 and 91,400.13

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Solution

The fourth proportional to 166,851.63, 230,261.00 and 91,400.13 is: 126,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,851.63 : 230,261.00 = 91,400.13 : x
  2. Step 2: Convert to fraction form
    166,851.63/230,261.00 = 91,400.13/x
  3. Step 3: Cross multiply
    166,851.63x = 230,261.00 × 91,400.13
  4. Step 4: Simplify right side
    166,851.63x = 21,045,884,876.93
  5. Step 5: Solve for x
    x = 21,045,884,876.93/166,851.63
  6. Step 6: Final answer
    x = 126,135.33

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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.