Home / 197,132.00-272,004.08-120,668.40

Finding the Fourth Proportional to 197,132.00, 272,004.08 and 120,668.40

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Solution

The fourth proportional to 197,132.00, 272,004.08 and 120,668.40 is: 166,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,132.00 : 272,004.08 = 120,668.40 : x
  2. Step 2: Convert to fraction form
    197,132.00/272,004.08 = 120,668.40/x
  3. Step 3: Cross multiply
    197,132.00x = 272,004.08 × 120,668.40
  4. Step 4: Simplify right side
    197,132.00x = 32,822,296,523.73
  5. Step 5: Solve for x
    x = 32,822,296,523.73/197,132.00
  6. Step 6: Final answer
    x = 166,499.08

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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.