Home / 117,426.24-161,051.85-112,603.86

Finding the Fourth Proportional to 117,426.24, 161,051.85 and 112,603.86

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Solution

The fourth proportional to 117,426.24, 161,051.85 and 112,603.86 is: 154,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,426.24 : 161,051.85 = 112,603.86 : x
  2. Step 2: Convert to fraction form
    117,426.24/161,051.85 = 112,603.86/x
  3. Step 3: Cross multiply
    117,426.24x = 161,051.85 × 112,603.86
  4. Step 4: Simplify right side
    117,426.24x = 18,135,059,970.14
  5. Step 5: Solve for x
    x = 18,135,059,970.14/117,426.24
  6. Step 6: Final answer
    x = 154,437.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.