Home / 193,842.18-291,095.42-105,268.68

Finding the Fourth Proportional to 193,842.18, 291,095.42 and 105,268.68

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Solution

The fourth proportional to 193,842.18, 291,095.42 and 105,268.68 is: 158,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,842.18 : 291,095.42 = 105,268.68 : x
  2. Step 2: Convert to fraction form
    193,842.18/291,095.42 = 105,268.68/x
  3. Step 3: Cross multiply
    193,842.18x = 291,095.42 × 105,268.68
  4. Step 4: Simplify right side
    193,842.18x = 30,643,230,091.10
  5. Step 5: Solve for x
    x = 30,643,230,091.10/193,842.18
  6. Step 6: Final answer
    x = 158,083.40

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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.