Home / 209,438.11-289,199.10-194,242.24

Finding the Fourth Proportional to 209,438.11, 289,199.10 and 194,242.24

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Solution

The fourth proportional to 209,438.11, 289,199.10 and 194,242.24 is: 268,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,438.11 : 289,199.10 = 194,242.24 : x
  2. Step 2: Convert to fraction form
    209,438.11/289,199.10 = 194,242.24/x
  3. Step 3: Cross multiply
    209,438.11x = 289,199.10 × 194,242.24
  4. Step 4: Simplify right side
    209,438.11x = 56,174,680,989.98
  5. Step 5: Solve for x
    x = 56,174,680,989.98/209,438.11
  6. Step 6: Final answer
    x = 268,216.14

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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.