Home / 239,953.05-331,133.27-132,530.45

Finding the Fourth Proportional to 239,953.05, 331,133.27 and 132,530.45

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Solution

The fourth proportional to 239,953.05, 331,133.27 and 132,530.45 is: 182,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,953.05 : 331,133.27 = 132,530.45 : x
  2. Step 2: Convert to fraction form
    239,953.05/331,133.27 = 132,530.45/x
  3. Step 3: Cross multiply
    239,953.05x = 331,133.27 × 132,530.45
  4. Step 4: Simplify right side
    239,953.05x = 43,885,238,964.75
  5. Step 5: Solve for x
    x = 43,885,238,964.75/239,953.05
  6. Step 6: Final answer
    x = 182,890.94

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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.