Home / 117,178.61-161,705.57-63,462.38

Finding the Fourth Proportional to 117,178.61, 161,705.57 and 63,462.38

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Solution

The fourth proportional to 117,178.61, 161,705.57 and 63,462.38 is: 87,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,178.61 : 161,705.57 = 63,462.38 : x
  2. Step 2: Convert to fraction form
    117,178.61/161,705.57 = 63,462.38/x
  3. Step 3: Cross multiply
    117,178.61x = 161,705.57 × 63,462.38
  4. Step 4: Simplify right side
    117,178.61x = 10,262,219,205.62
  5. Step 5: Solve for x
    x = 10,262,219,205.62/117,178.61
  6. Step 6: Final answer
    x = 87,577.58

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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.