Home / 206,721.28-285,666.96-176,090.08

Finding the Fourth Proportional to 206,721.28, 285,666.96 and 176,090.08

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Solution

The fourth proportional to 206,721.28, 285,666.96 and 176,090.08 is: 243,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,721.28 : 285,666.96 = 176,090.08 : x
  2. Step 2: Convert to fraction form
    206,721.28/285,666.96 = 176,090.08/x
  3. Step 3: Cross multiply
    206,721.28x = 285,666.96 × 176,090.08
  4. Step 4: Simplify right side
    206,721.28x = 50,303,117,839.76
  5. Step 5: Solve for x
    x = 50,303,117,839.76/206,721.28
  6. Step 6: Final answer
    x = 243,337.88

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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.