Home / 160,665.37-240,761.25-89,490.01

Finding the Fourth Proportional to 160,665.37, 240,761.25 and 89,490.01

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Solution

The fourth proportional to 160,665.37, 240,761.25 and 89,490.01 is: 134,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,665.37 : 240,761.25 = 89,490.01 : x
  2. Step 2: Convert to fraction form
    160,665.37/240,761.25 = 89,490.01/x
  3. Step 3: Cross multiply
    160,665.37x = 240,761.25 × 89,490.01
  4. Step 4: Simplify right side
    160,665.37x = 21,545,726,670.11
  5. Step 5: Solve for x
    x = 21,545,726,670.11/160,665.37
  6. Step 6: Final answer
    x = 134,103.12

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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.