Home / 345,849.75-477,272.66-186,873.75

Finding the Fourth Proportional to 345,849.75, 477,272.66 and 186,873.75

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Solution

The fourth proportional to 345,849.75, 477,272.66 and 186,873.75 is: 257,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,849.75 : 477,272.66 = 186,873.75 : x
  2. Step 2: Convert to fraction form
    345,849.75/477,272.66 = 186,873.75/x
  3. Step 3: Cross multiply
    345,849.75x = 477,272.66 × 186,873.75
  4. Step 4: Simplify right side
    345,849.75x = 89,189,730,812.31
  5. Step 5: Solve for x
    x = 89,189,730,812.31/345,849.75
  6. Step 6: Final answer
    x = 257,885.78

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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.