Home / 160,686.92-221,750.18-88,096.64

Finding the Fourth Proportional to 160,686.92, 221,750.18 and 88,096.64

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Solution

The fourth proportional to 160,686.92, 221,750.18 and 88,096.64 is: 121,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686.92 : 221,750.18 = 88,096.64 : x
  2. Step 2: Convert to fraction form
    160,686.92/221,750.18 = 88,096.64/x
  3. Step 3: Cross multiply
    160,686.92x = 221,750.18 × 88,096.64
  4. Step 4: Simplify right side
    160,686.92x = 19,535,445,429.97
  5. Step 5: Solve for x
    x = 19,535,445,429.97/160,686.92
  6. Step 6: Final answer
    x = 121,574.58

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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.