Home / 439,426.20-659,139.30-173,195.40

Finding the Fourth Proportional to 439,426.20, 659,139.30 and 173,195.40

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Solution

The fourth proportional to 439,426.20, 659,139.30 and 173,195.40 is: 259,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,426.20 : 659,139.30 = 173,195.40 : x
  2. Step 2: Convert to fraction form
    439,426.20/659,139.30 = 173,195.40/x
  3. Step 3: Cross multiply
    439,426.20x = 659,139.30 × 173,195.40
  4. Step 4: Simplify right side
    439,426.20x = 114,159,894,719.22
  5. Step 5: Solve for x
    x = 114,159,894,719.22/439,426.20
  6. Step 6: Final answer
    x = 259,793.10

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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.