Home / 127,941.12-191,911.68-106,007.04

Finding the Fourth Proportional to 127,941.12, 191,911.68 and 106,007.04

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Solution

The fourth proportional to 127,941.12, 191,911.68 and 106,007.04 is: 159,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,941.12 : 191,911.68 = 106,007.04 : x
  2. Step 2: Convert to fraction form
    127,941.12/191,911.68 = 106,007.04/x
  3. Step 3: Cross multiply
    127,941.12x = 191,911.68 × 106,007.04
  4. Step 4: Simplify right side
    127,941.12x = 20,343,989,138.23
  5. Step 5: Solve for x
    x = 20,343,989,138.23/127,941.12
  6. Step 6: Final answer
    x = 159,010.56

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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.