Home / 357,116.23-492,743.41-206,125.75

Finding the Fourth Proportional to 357,116.23, 492,743.41 and 206,125.75

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Solution

The fourth proportional to 357,116.23, 492,743.41 and 206,125.75 is: 284,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,116.23 : 492,743.41 = 206,125.75 : x
  2. Step 2: Convert to fraction form
    357,116.23/492,743.41 = 206,125.75/x
  3. Step 3: Cross multiply
    357,116.23x = 492,743.41 × 206,125.75
  4. Step 4: Simplify right side
    357,116.23x = 101,567,104,943.81
  5. Step 5: Solve for x
    x = 101,567,104,943.81/357,116.23
  6. Step 6: Final answer
    x = 284,409.10

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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.