Home / 160,931.64-241,383.28-72,161.32

Finding the Fourth Proportional to 160,931.64, 241,383.28 and 72,161.32

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Solution

The fourth proportional to 160,931.64, 241,383.28 and 72,161.32 is: 108,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,931.64 : 241,383.28 = 72,161.32 : x
  2. Step 2: Convert to fraction form
    160,931.64/241,383.28 = 72,161.32/x
  3. Step 3: Cross multiply
    160,931.64x = 241,383.28 × 72,161.32
  4. Step 4: Simplify right side
    160,931.64x = 17,418,536,110.73
  5. Step 5: Solve for x
    x = 17,418,536,110.73/160,931.64
  6. Step 6: Final answer
    x = 108,235.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.