Home / 110,839.21-152,760.36-83,917.24

Finding the Fourth Proportional to 110,839.21, 152,760.36 and 83,917.24

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Solution

The fourth proportional to 110,839.21, 152,760.36 and 83,917.24 is: 115,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,839.21 : 152,760.36 = 83,917.24 : x
  2. Step 2: Convert to fraction form
    110,839.21/152,760.36 = 83,917.24/x
  3. Step 3: Cross multiply
    110,839.21x = 152,760.36 × 83,917.24
  4. Step 4: Simplify right side
    110,839.21x = 12,819,227,792.61
  5. Step 5: Solve for x
    x = 12,819,227,792.61/110,839.21
  6. Step 6: Final answer
    x = 115,656.07

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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.