Home / 206,109.02-309,207.58-63,951.19

Finding the Fourth Proportional to 206,109.02, 309,207.58 and 63,951.19

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Solution

The fourth proportional to 206,109.02, 309,207.58 and 63,951.19 is: 95,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,109.02 : 309,207.58 = 63,951.19 : x
  2. Step 2: Convert to fraction form
    206,109.02/309,207.58 = 63,951.19/x
  3. Step 3: Cross multiply
    206,109.02x = 309,207.58 × 63,951.19
  4. Step 4: Simplify right side
    206,109.02x = 19,774,191,765.12
  5. Step 5: Solve for x
    x = 19,774,191,765.12/206,109.02
  6. Step 6: Final answer
    x = 95,940.45

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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.