Home / 439,559.20-659,120.01-140,000.95

Finding the Fourth Proportional to 439,559.20, 659,120.01 and 140,000.95

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Solution

The fourth proportional to 439,559.20, 659,120.01 and 140,000.95 is: 209,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,559.20 : 659,120.01 = 140,000.95 : x
  2. Step 2: Convert to fraction form
    439,559.20/659,120.01 = 140,000.95/x
  3. Step 3: Cross multiply
    439,559.20x = 659,120.01 × 140,000.95
  4. Step 4: Simplify right side
    439,559.20x = 92,277,427,564.01
  5. Step 5: Solve for x
    x = 92,277,427,564.01/439,559.20
  6. Step 6: Final answer
    x = 209,931.74

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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.