Home / 117,370.81-161,783.08-91,833.13

Finding the Fourth Proportional to 117,370.81, 161,783.08 and 91,833.13

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Solution

The fourth proportional to 117,370.81, 161,783.08 and 91,833.13 is: 126,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,370.81 : 161,783.08 = 91,833.13 : x
  2. Step 2: Convert to fraction form
    117,370.81/161,783.08 = 91,833.13/x
  3. Step 3: Cross multiply
    117,370.81x = 161,783.08 × 91,833.13
  4. Step 4: Simplify right side
    117,370.81x = 14,857,046,617.44
  5. Step 5: Solve for x
    x = 14,857,046,617.44/117,370.81
  6. Step 6: Final answer
    x = 126,582.13

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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.