Home / 113,092.93-168,399.80-109,051.76

Finding the Fourth Proportional to 113,092.93, 168,399.80 and 109,051.76

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Solution

The fourth proportional to 113,092.93, 168,399.80 and 109,051.76 is: 162,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,092.93 : 168,399.80 = 109,051.76 : x
  2. Step 2: Convert to fraction form
    113,092.93/168,399.80 = 109,051.76/x
  3. Step 3: Cross multiply
    113,092.93x = 168,399.80 × 109,051.76
  4. Step 4: Simplify right side
    113,092.93x = 18,364,293,186.39
  5. Step 5: Solve for x
    x = 18,364,293,186.39/113,092.93
  6. Step 6: Final answer
    x = 162,382.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.