Home / 345,723.25-477,098.09-186,747.25

Finding the Fourth Proportional to 345,723.25, 477,098.09 and 186,747.25

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Solution

The fourth proportional to 345,723.25, 477,098.09 and 186,747.25 is: 257,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,723.25 : 477,098.09 = 186,747.25 : x
  2. Step 2: Convert to fraction form
    345,723.25/477,098.09 = 186,747.25/x
  3. Step 3: Cross multiply
    345,723.25x = 477,098.09 × 186,747.25
  4. Step 4: Simplify right side
    345,723.25x = 89,096,755,354.02
  5. Step 5: Solve for x
    x = 89,096,755,354.02/345,723.25
  6. Step 6: Final answer
    x = 257,711.21

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1.5x scale

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.