Home / 125,347.76-188,181.96-107,691.40

Finding the Fourth Proportional to 125,347.76, 188,181.96 and 107,691.40

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Solution

The fourth proportional to 125,347.76, 188,181.96 and 107,691.40 is: 161,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,347.76 : 188,181.96 = 107,691.40 : x
  2. Step 2: Convert to fraction form
    125,347.76/188,181.96 = 107,691.40/x
  3. Step 3: Cross multiply
    125,347.76x = 188,181.96 × 107,691.40
  4. Step 4: Simplify right side
    125,347.76x = 20,265,578,727.14
  5. Step 5: Solve for x
    x = 20,265,578,727.14/125,347.76
  6. Step 6: Final answer
    x = 161,674.84

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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.