Home / 118,165.11-177,326.49-61,291.43

Finding the Fourth Proportional to 118,165.11, 177,326.49 and 61,291.43

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Solution

The fourth proportional to 118,165.11, 177,326.49 and 61,291.43 is: 91,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,165.11 : 177,326.49 = 61,291.43 : x
  2. Step 2: Convert to fraction form
    118,165.11/177,326.49 = 61,291.43/x
  3. Step 3: Cross multiply
    118,165.11x = 177,326.49 × 61,291.43
  4. Step 4: Simplify right side
    118,165.11x = 10,868,594,477.38
  5. Step 5: Solve for x
    x = 10,868,594,477.38/118,165.11
  6. Step 6: Final answer
    x = 91,978.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.