Home / 242,727.12-364,064.76-84,958.56

Finding the Fourth Proportional to 242,727.12, 364,064.76 and 84,958.56

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Solution

The fourth proportional to 242,727.12, 364,064.76 and 84,958.56 is: 127,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,727.12 : 364,064.76 = 84,958.56 : x
  2. Step 2: Convert to fraction form
    242,727.12/364,064.76 = 84,958.56/x
  3. Step 3: Cross multiply
    242,727.12x = 364,064.76 × 84,958.56
  4. Step 4: Simplify right side
    242,727.12x = 30,930,417,756.35
  5. Step 5: Solve for x
    x = 30,930,417,756.35/242,727.12
  6. Step 6: Final answer
    x = 127,428.77

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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.