Home / 180,767.12-271,225-79,513.04

Finding the Fourth Proportional to 180,767.12, 271,225 and 79,513.04

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Solution

The fourth proportional to 180,767.12, 271,225 and 79,513.04 is: 119,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,767.12 : 271,225 = 79,513.04 : x
  2. Step 2: Convert to fraction form
    180,767.12/271,225 = 79,513.04/x
  3. Step 3: Cross multiply
    180,767.12x = 271,225 × 79,513.04
  4. Step 4: Simplify right side
    180,767.12x = 21,565,924,274
  5. Step 5: Solve for x
    x = 21,565,924,274/180,767.12
  6. Step 6: Final answer
    x = 119,302.25

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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.