Home / 239,822.18-330,931.02-132,385.28

Finding the Fourth Proportional to 239,822.18, 330,931.02 and 132,385.28

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Solution

The fourth proportional to 239,822.18, 330,931.02 and 132,385.28 is: 182,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,822.18 : 330,931.02 = 132,385.28 : x
  2. Step 2: Convert to fraction form
    239,822.18/330,931.02 = 132,385.28/x
  3. Step 3: Cross multiply
    239,822.18x = 330,931.02 × 132,385.28
  4. Step 4: Simplify right side
    239,822.18x = 43,810,395,743.39
  5. Step 5: Solve for x
    x = 43,810,395,743.39/239,822.18
  6. Step 6: Final answer
    x = 182,678.67

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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.