Home / 243,405.14-335,420.61-186,109.38

Finding the Fourth Proportional to 243,405.14, 335,420.61 and 186,109.38

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Solution

The fourth proportional to 243,405.14, 335,420.61 and 186,109.38 is: 256,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,405.14 : 335,420.61 = 186,109.38 : x
  2. Step 2: Convert to fraction form
    243,405.14/335,420.61 = 186,109.38/x
  3. Step 3: Cross multiply
    243,405.14x = 335,420.61 × 186,109.38
  4. Step 4: Simplify right side
    243,405.14x = 62,424,921,766.32
  5. Step 5: Solve for x
    x = 62,424,921,766.32/243,405.14
  6. Step 6: Final answer
    x = 256,465.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.