Home / 106,537.20-160,043.40-89,041.20

Finding the Fourth Proportional to 106,537.20, 160,043.40 and 89,041.20

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Solution

The fourth proportional to 106,537.20, 160,043.40 and 89,041.20 is: 133,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,537.20 : 160,043.40 = 89,041.20 : x
  2. Step 2: Convert to fraction form
    106,537.20/160,043.40 = 89,041.20/x
  3. Step 3: Cross multiply
    106,537.20x = 160,043.40 × 89,041.20
  4. Step 4: Simplify right side
    106,537.20x = 14,250,456,388.08
  5. Step 5: Solve for x
    x = 14,250,456,388.08/106,537.20
  6. Step 6: Final answer
    x = 133,760.38

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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.