Home / 206,715.24-285,270-116,090.76

Finding the Fourth Proportional to 206,715.24, 285,270 and 116,090.76

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Solution

The fourth proportional to 206,715.24, 285,270 and 116,090.76 is: 160,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,715.24 : 285,270 = 116,090.76 : x
  2. Step 2: Convert to fraction form
    206,715.24/285,270 = 116,090.76/x
  3. Step 3: Cross multiply
    206,715.24x = 285,270 × 116,090.76
  4. Step 4: Simplify right side
    206,715.24x = 33,117,211,105.20
  5. Step 5: Solve for x
    x = 33,117,211,105.20/206,715.24
  6. Step 6: Final answer
    x = 160,206.92

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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.