Home / 197,728.16-296,530.88-71,352.05

Finding the Fourth Proportional to 197,728.16, 296,530.88 and 71,352.05

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Solution

The fourth proportional to 197,728.16, 296,530.88 and 71,352.05 is: 107,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,728.16 : 296,530.88 = 71,352.05 : x
  2. Step 2: Convert to fraction form
    197,728.16/296,530.88 = 71,352.05/x
  3. Step 3: Cross multiply
    197,728.16x = 296,530.88 × 71,352.05
  4. Step 4: Simplify right side
    197,728.16x = 21,158,084,336.89
  5. Step 5: Solve for x
    x = 21,158,084,336.89/197,728.16
  6. Step 6: Final answer
    x = 107,005.93

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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.