Home / 206,798.13-285,381.09-116,156.70

Finding the Fourth Proportional to 206,798.13, 285,381.09 and 116,156.70

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Solution

The fourth proportional to 206,798.13, 285,381.09 and 116,156.70 is: 160,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,798.13 : 285,381.09 = 116,156.70 : x
  2. Step 2: Convert to fraction form
    206,798.13/285,381.09 = 116,156.70/x
  3. Step 3: Cross multiply
    206,798.13x = 285,381.09 × 116,156.70
  4. Step 4: Simplify right side
    206,798.13x = 33,148,925,656.80
  5. Step 5: Solve for x
    x = 33,148,925,656.80/206,798.13
  6. Step 6: Final answer
    x = 160,296.06

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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.