Home / 162,969.11-224,907.77-91,349.15

Finding the Fourth Proportional to 162,969.11, 224,907.77 and 91,349.15

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Solution

The fourth proportional to 162,969.11, 224,907.77 and 91,349.15 is: 126,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,969.11 : 224,907.77 = 91,349.15 : x
  2. Step 2: Convert to fraction form
    162,969.11/224,907.77 = 91,349.15/x
  3. Step 3: Cross multiply
    162,969.11x = 224,907.77 × 91,349.15
  4. Step 4: Simplify right side
    162,969.11x = 20,545,133,617.90
  5. Step 5: Solve for x
    x = 20,545,133,617.90/162,969.11
  6. Step 6: Final answer
    x = 126,067.66

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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.