Home / 239,443.11-330,433.83-132,017.40

Finding the Fourth Proportional to 239,443.11, 330,433.83 and 132,017.40

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Solution

The fourth proportional to 239,443.11, 330,433.83 and 132,017.40 is: 182,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,443.11 : 330,433.83 = 132,017.40 : x
  2. Step 2: Convert to fraction form
    239,443.11/330,433.83 = 132,017.40/x
  3. Step 3: Cross multiply
    239,443.11x = 330,433.83 × 132,017.40
  4. Step 4: Simplify right side
    239,443.11x = 43,623,015,108.64
  5. Step 5: Solve for x
    x = 43,623,015,108.64/239,443.11
  6. Step 6: Final answer
    x = 182,185.30

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1.5x scale

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.