Home / 242,849.10-364,273.65-76,637.10

Finding the Fourth Proportional to 242,849.10, 364,273.65 and 76,637.10

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Solution

The fourth proportional to 242,849.10, 364,273.65 and 76,637.10 is: 114,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,849.10 : 364,273.65 = 76,637.10 : x
  2. Step 2: Convert to fraction form
    242,849.10/364,273.65 = 76,637.10/x
  3. Step 3: Cross multiply
    242,849.10x = 364,273.65 × 76,637.10
  4. Step 4: Simplify right side
    242,849.10x = 27,916,876,142.42
  5. Step 5: Solve for x
    x = 27,916,876,142.42/242,849.10
  6. Step 6: Final answer
    x = 114,955.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.