Home / 439,601.36-659,394.77-140,077.88

Finding the Fourth Proportional to 439,601.36, 659,394.77 and 140,077.88

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Solution

The fourth proportional to 439,601.36, 659,394.77 and 140,077.88 is: 210,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,601.36 : 659,394.77 = 140,077.88 : x
  2. Step 2: Convert to fraction form
    439,601.36/659,394.77 = 140,077.88/x
  3. Step 3: Cross multiply
    439,601.36x = 659,394.77 × 140,077.88
  4. Step 4: Simplify right side
    439,601.36x = 92,366,617,467.32
  5. Step 5: Solve for x
    x = 92,366,617,467.32/439,601.36
  6. Step 6: Final answer
    x = 210,114.50

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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.