Home / 197,735.71-272,873.91-107,089.60

Finding the Fourth Proportional to 197,735.71, 272,873.91 and 107,089.60

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Solution

The fourth proportional to 197,735.71, 272,873.91 and 107,089.60 is: 147,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,735.71 : 272,873.91 = 107,089.60 : x
  2. Step 2: Convert to fraction form
    197,735.71/272,873.91 = 107,089.60/x
  3. Step 3: Cross multiply
    197,735.71x = 272,873.91 × 107,089.60
  4. Step 4: Simplify right side
    197,735.71x = 29,221,957,872.34
  5. Step 5: Solve for x
    x = 29,221,957,872.34/197,735.71
  6. Step 6: Final answer
    x = 147,782.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.