Home / 160,792.72-221,879.40-89,172.52

Finding the Fourth Proportional to 160,792.72, 221,879.40 and 89,172.52

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Solution

The fourth proportional to 160,792.72, 221,879.40 and 89,172.52 is: 123,050.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,792.72 : 221,879.40 = 89,172.52 : x
  2. Step 2: Convert to fraction form
    160,792.72/221,879.40 = 89,172.52/x
  3. Step 3: Cross multiply
    160,792.72x = 221,879.40 × 89,172.52
  4. Step 4: Simplify right side
    160,792.72x = 19,785,545,234.09
  5. Step 5: Solve for x
    x = 19,785,545,234.09/160,792.72
  6. Step 6: Final answer
    x = 123,050.01

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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.