Home / 115,181.90-172,772.16-29,792.76

Finding the Fourth Proportional to 115,181.90, 172,772.16 and 29,792.76

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Solution

The fourth proportional to 115,181.90, 172,772.16 and 29,792.76 is: 44,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,181.90 : 172,772.16 = 29,792.76 : x
  2. Step 2: Convert to fraction form
    115,181.90/172,772.16 = 29,792.76/x
  3. Step 3: Cross multiply
    115,181.90x = 172,772.16 × 29,792.76
  4. Step 4: Simplify right side
    115,181.90x = 5,147,360,003.97
  5. Step 5: Solve for x
    x = 5,147,360,003.97/115,181.90
  6. Step 6: Final answer
    x = 44,688.96

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1.5x scale

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.