Home / 368,983.80-553,605.30-132,334.20

Finding the Fourth Proportional to 368,983.80, 553,605.30 and 132,334.20

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Solution

The fourth proportional to 368,983.80, 553,605.30 and 132,334.20 is: 198,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,983.80 : 553,605.30 = 132,334.20 : x
  2. Step 2: Convert to fraction form
    368,983.80/553,605.30 = 132,334.20/x
  3. Step 3: Cross multiply
    368,983.80x = 553,605.30 × 132,334.20
  4. Step 4: Simplify right side
    368,983.80x = 73,260,914,491.26
  5. Step 5: Solve for x
    x = 73,260,914,491.26/368,983.80
  6. Step 6: Final answer
    x = 198,547.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.