Home / 247,406.90-341,196.10-209,246.45

Finding the Fourth Proportional to 247,406.90, 341,196.10 and 209,246.45

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Solution

The fourth proportional to 247,406.90, 341,196.10 and 209,246.45 is: 288,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,406.90 : 341,196.10 = 209,246.45 : x
  2. Step 2: Convert to fraction form
    247,406.90/341,196.10 = 209,246.45/x
  3. Step 3: Cross multiply
    247,406.90x = 341,196.10 × 209,246.45
  4. Step 4: Simplify right side
    247,406.90x = 71,394,070,449.75
  5. Step 5: Solve for x
    x = 71,394,070,449.75/247,406.90
  6. Step 6: Final answer
    x = 288,569.45

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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.