Home / 193,746.31-290,500.38-67,357.15

Finding the Fourth Proportional to 193,746.31, 290,500.38 and 67,357.15

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Solution

The fourth proportional to 193,746.31, 290,500.38 and 67,357.15 is: 100,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,746.31 : 290,500.38 = 67,357.15 : x
  2. Step 2: Convert to fraction form
    193,746.31/290,500.38 = 67,357.15/x
  3. Step 3: Cross multiply
    193,746.31x = 290,500.38 × 67,357.15
  4. Step 4: Simplify right side
    193,746.31x = 19,567,276,218.22
  5. Step 5: Solve for x
    x = 19,567,276,218.22/193,746.31
  6. Step 6: Final answer
    x = 100,994.32

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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.