Home / 180,909.64-271,377.45-47,788.60

Finding the Fourth Proportional to 180,909.64, 271,377.45 and 47,788.60

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Solution

The fourth proportional to 180,909.64, 271,377.45 and 47,788.60 is: 71,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,909.64 : 271,377.45 = 47,788.60 : x
  2. Step 2: Convert to fraction form
    180,909.64/271,377.45 = 47,788.60/x
  3. Step 3: Cross multiply
    180,909.64x = 271,377.45 × 47,788.60
  4. Step 4: Simplify right side
    180,909.64x = 12,968,748,407.07
  5. Step 5: Solve for x
    x = 12,968,748,407.07/180,909.64
  6. Step 6: Final answer
    x = 71,686.33

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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.