Home / 160,750.37-221,832.20-89,129.76

Finding the Fourth Proportional to 160,750.37, 221,832.20 and 89,129.76

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Solution

The fourth proportional to 160,750.37, 221,832.20 and 89,129.76 is: 122,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,750.37 : 221,832.20 = 89,129.76 : x
  2. Step 2: Convert to fraction form
    160,750.37/221,832.20 = 89,129.76/x
  3. Step 3: Cross multiply
    160,750.37x = 221,832.20 × 89,129.76
  4. Step 4: Simplify right side
    160,750.37x = 19,771,850,746.27
  5. Step 5: Solve for x
    x = 19,771,850,746.27/160,750.37
  6. Step 6: Final answer
    x = 122,997.24

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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.