Home / 344,601.32-516,902.16-131,319.50

Finding the Fourth Proportional to 344,601.32, 516,902.16 and 131,319.50

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Solution

The fourth proportional to 344,601.32, 516,902.16 and 131,319.50 is: 196,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,601.32 : 516,902.16 = 131,319.50 : x
  2. Step 2: Convert to fraction form
    344,601.32/516,902.16 = 131,319.50/x
  3. Step 3: Cross multiply
    344,601.32x = 516,902.16 × 131,319.50
  4. Step 4: Simplify right side
    344,601.32x = 67,879,333,200.12
  5. Step 5: Solve for x
    x = 67,879,333,200.12/344,601.32
  6. Step 6: Final answer
    x = 196,979.32

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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.