Home / 239,822.83-330,946.81-132,390.55

Finding the Fourth Proportional to 239,822.83, 330,946.81 and 132,390.55

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Solution

The fourth proportional to 239,822.83, 330,946.81 and 132,390.55 is: 182,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,822.83 : 330,946.81 = 132,390.55 : x
  2. Step 2: Convert to fraction form
    239,822.83/330,946.81 = 132,390.55/x
  3. Step 3: Cross multiply
    239,822.83x = 330,946.81 × 132,390.55
  4. Step 4: Simplify right side
    239,822.83x = 43,814,230,196.65
  5. Step 5: Solve for x
    x = 43,814,230,196.65/239,822.83
  6. Step 6: Final answer
    x = 182,694.16

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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.