Home / 160,820.96-221,913.88-89,183.48

Finding the Fourth Proportional to 160,820.96, 221,913.88 and 89,183.48

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Solution

The fourth proportional to 160,820.96, 221,913.88 and 89,183.48 is: 123,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,820.96 : 221,913.88 = 89,183.48 : x
  2. Step 2: Convert to fraction form
    160,820.96/221,913.88 = 89,183.48/x
  3. Step 3: Cross multiply
    160,820.96x = 221,913.88 × 89,183.48
  4. Step 4: Simplify right side
    160,820.96x = 19,791,050,746.17
  5. Step 5: Solve for x
    x = 19,791,050,746.17/160,820.96
  6. Step 6: Final answer
    x = 123,062.64

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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.