Home / 180,864.32-271,021.08-91,984.64

Finding the Fourth Proportional to 180,864.32, 271,021.08 and 91,984.64

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Solution

The fourth proportional to 180,864.32, 271,021.08 and 91,984.64 is: 137,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,864.32 : 271,021.08 = 91,984.64 : x
  2. Step 2: Convert to fraction form
    180,864.32/271,021.08 = 91,984.64/x
  3. Step 3: Cross multiply
    180,864.32x = 271,021.08 × 91,984.64
  4. Step 4: Simplify right side
    180,864.32x = 24,929,776,476.21
  5. Step 5: Solve for x
    x = 24,929,776,476.21/180,864.32
  6. Step 6: Final answer
    x = 137,836.90

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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.