Home / 357,109.68-492,884.28-206,186.16

Finding the Fourth Proportional to 357,109.68, 492,884.28 and 206,186.16

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Solution

The fourth proportional to 357,109.68, 492,884.28 and 206,186.16 is: 284,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,109.68 : 492,884.28 = 206,186.16 : x
  2. Step 2: Convert to fraction form
    357,109.68/492,884.28 = 206,186.16/x
  3. Step 3: Cross multiply
    357,109.68x = 492,884.28 × 206,186.16
  4. Step 4: Simplify right side
    357,109.68x = 101,625,917,017.57
  5. Step 5: Solve for x
    x = 101,625,917,017.57/357,109.68
  6. Step 6: Final answer
    x = 284,579.00

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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.