Home / 319,560.96-440,986.50-176,320.56

Finding the Fourth Proportional to 319,560.96, 440,986.50 and 176,320.56

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Solution

The fourth proportional to 319,560.96, 440,986.50 and 176,320.56 is: 243,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,560.96 : 440,986.50 = 176,320.56 : x
  2. Step 2: Convert to fraction form
    319,560.96/440,986.50 = 176,320.56/x
  3. Step 3: Cross multiply
    319,560.96x = 440,986.50 × 176,320.56
  4. Step 4: Simplify right side
    319,560.96x = 77,754,986,632.44
  5. Step 5: Solve for x
    x = 77,754,986,632.44/319,560.96
  6. Step 6: Final answer
    x = 243,318.17

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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.