Home / 180,779.14-271,170.33-47,678.32

Finding the Fourth Proportional to 180,779.14, 271,170.33 and 47,678.32

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Solution

The fourth proportional to 180,779.14, 271,170.33 and 47,678.32 is: 71,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,779.14 : 271,170.33 = 47,678.32 : x
  2. Step 2: Convert to fraction form
    180,779.14/271,170.33 = 47,678.32/x
  3. Step 3: Cross multiply
    180,779.14x = 271,170.33 × 47,678.32
  4. Step 4: Simplify right side
    180,779.14x = 12,928,945,768.25
  5. Step 5: Solve for x
    x = 12,928,945,768.25/180,779.14
  6. Step 6: Final answer
    x = 71,517.91

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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.