Home / 117,218.01-161,760.66-63,503.25

Finding the Fourth Proportional to 117,218.01, 161,760.66 and 63,503.25

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Solution

The fourth proportional to 117,218.01, 161,760.66 and 63,503.25 is: 87,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,218.01 : 161,760.66 = 63,503.25 : x
  2. Step 2: Convert to fraction form
    117,218.01/161,760.66 = 63,503.25/x
  3. Step 3: Cross multiply
    117,218.01x = 161,760.66 × 63,503.25
  4. Step 4: Simplify right side
    117,218.01x = 10,272,327,632.15
  5. Step 5: Solve for x
    x = 10,272,327,632.15/117,218.01
  6. Step 6: Final answer
    x = 87,634.38

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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.