Home / 120,341.09-166,076.83-66,632.02

Finding the Fourth Proportional to 120,341.09, 166,076.83 and 66,632.02

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Solution

The fourth proportional to 120,341.09, 166,076.83 and 66,632.02 is: 91,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,341.09 : 166,076.83 = 66,632.02 : x
  2. Step 2: Convert to fraction form
    120,341.09/166,076.83 = 66,632.02/x
  3. Step 3: Cross multiply
    120,341.09x = 166,076.83 × 66,632.02
  4. Step 4: Simplify right side
    120,341.09x = 11,066,034,326.19
  5. Step 5: Solve for x
    x = 11,066,034,326.19/120,341.09
  6. Step 6: Final answer
    x = 91,955.57

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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.