Home / 129,849.40-194,774.10-124,665.40

Finding the Fourth Proportional to 129,849.40, 194,774.10 and 124,665.40

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Solution

The fourth proportional to 129,849.40, 194,774.10 and 124,665.40 is: 186,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,849.40 : 194,774.10 = 124,665.40 : x
  2. Step 2: Convert to fraction form
    129,849.40/194,774.10 = 124,665.40/x
  3. Step 3: Cross multiply
    129,849.40x = 194,774.10 × 124,665.40
  4. Step 4: Simplify right side
    129,849.40x = 24,281,591,086.14
  5. Step 5: Solve for x
    x = 24,281,591,086.14/129,849.40
  6. Step 6: Final answer
    x = 186,998.10

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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.