Home / 106,820.90-160,219.20-27,943.10

Finding the Fourth Proportional to 106,820.90, 160,219.20 and 27,943.10

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Solution

The fourth proportional to 106,820.90, 160,219.20 and 27,943.10 is: 41,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,820.90 : 160,219.20 = 27,943.10 : x
  2. Step 2: Convert to fraction form
    106,820.90/160,219.20 = 27,943.10/x
  3. Step 3: Cross multiply
    106,820.90x = 160,219.20 × 27,943.10
  4. Step 4: Simplify right side
    106,820.90x = 4,477,021,127.52
  5. Step 5: Solve for x
    x = 4,477,021,127.52/106,820.90
  6. Step 6: Final answer
    x = 41,911.47

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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.