Home / 439,423.20-659,134.80-173,192.40

Finding the Fourth Proportional to 439,423.20, 659,134.80 and 173,192.40

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Solution

The fourth proportional to 439,423.20, 659,134.80 and 173,192.40 is: 259,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,423.20 : 659,134.80 = 173,192.40 : x
  2. Step 2: Convert to fraction form
    439,423.20/659,134.80 = 173,192.40/x
  3. Step 3: Cross multiply
    439,423.20x = 659,134.80 × 173,192.40
  4. Step 4: Simplify right side
    439,423.20x = 114,157,137,935.52
  5. Step 5: Solve for x
    x = 114,157,137,935.52/439,423.20
  6. Step 6: Final answer
    x = 259,788.60

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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.