Home / 209,910.30-314,865.45-197,663.10

Finding the Fourth Proportional to 209,910.30, 314,865.45 and 197,663.10

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Solution

The fourth proportional to 209,910.30, 314,865.45 and 197,663.10 is: 296,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,910.30 : 314,865.45 = 197,663.10 : x
  2. Step 2: Convert to fraction form
    209,910.30/314,865.45 = 197,663.10/x
  3. Step 3: Cross multiply
    209,910.30x = 314,865.45 × 197,663.10
  4. Step 4: Simplify right side
    209,910.30x = 62,237,280,929.90
  5. Step 5: Solve for x
    x = 62,237,280,929.90/209,910.30
  6. Step 6: Final answer
    x = 296,494.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.