Home / 197,215.00-272,175.85-116,668.45

Finding the Fourth Proportional to 197,215.00, 272,175.85 and 116,668.45

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Solution

The fourth proportional to 197,215.00, 272,175.85 and 116,668.45 is: 161,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,215.00 : 272,175.85 = 116,668.45 : x
  2. Step 2: Convert to fraction form
    197,215.00/272,175.85 = 116,668.45/x
  3. Step 3: Cross multiply
    197,215.00x = 272,175.85 × 116,668.45
  4. Step 4: Simplify right side
    197,215.00x = 31,754,334,376.73
  5. Step 5: Solve for x
    x = 31,754,334,376.73/197,215.00
  6. Step 6: Final answer
    x = 161,013.79

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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.