Home / 160,748.28-221,832.24-89,126.48

Finding the Fourth Proportional to 160,748.28, 221,832.24 and 89,126.48

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Solution

The fourth proportional to 160,748.28, 221,832.24 and 89,126.48 is: 122,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,748.28 : 221,832.24 = 89,126.48 : x
  2. Step 2: Convert to fraction form
    160,748.28/221,832.24 = 89,126.48/x
  3. Step 3: Cross multiply
    160,748.28x = 221,832.24 × 89,126.48
  4. Step 4: Simplify right side
    160,748.28x = 19,771,126,701.72
  5. Step 5: Solve for x
    x = 19,771,126,701.72/160,748.28
  6. Step 6: Final answer
    x = 122,994.33

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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.