Home / 209,475.56-289,086.90-194,714.12

Finding the Fourth Proportional to 209,475.56, 289,086.90 and 194,714.12

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Solution

The fourth proportional to 209,475.56, 289,086.90 and 194,714.12 is: 268,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,475.56 : 289,086.90 = 194,714.12 : x
  2. Step 2: Convert to fraction form
    209,475.56/289,086.90 = 194,714.12/x
  3. Step 3: Cross multiply
    209,475.56x = 289,086.90 × 194,714.12
  4. Step 4: Simplify right side
    209,475.56x = 56,289,301,337.03
  5. Step 5: Solve for x
    x = 56,289,301,337.03/209,475.56
  6. Step 6: Final answer
    x = 268,715.36

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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.