Home / 107,024.30-147,792.81-80,120.10

Finding the Fourth Proportional to 107,024.30, 147,792.81 and 80,120.10

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Solution

The fourth proportional to 107,024.30, 147,792.81 and 80,120.10 is: 110,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,024.30 : 147,792.81 = 80,120.10 : x
  2. Step 2: Convert to fraction form
    107,024.30/147,792.81 = 80,120.10/x
  3. Step 3: Cross multiply
    107,024.30x = 147,792.81 × 80,120.10
  4. Step 4: Simplify right side
    107,024.30x = 11,841,174,716.48
  5. Step 5: Solve for x
    x = 11,841,174,716.48/107,024.30
  6. Step 6: Final answer
    x = 110,640.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.