Home / 110,171.80-152,083.58-74,410.26

Finding the Fourth Proportional to 110,171.80, 152,083.58 and 74,410.26

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Solution

The fourth proportional to 110,171.80, 152,083.58 and 74,410.26 is: 102,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,171.80 : 152,083.58 = 74,410.26 : x
  2. Step 2: Convert to fraction form
    110,171.80/152,083.58 = 74,410.26/x
  3. Step 3: Cross multiply
    110,171.80x = 152,083.58 × 74,410.26
  4. Step 4: Simplify right side
    110,171.80x = 11,316,578,729.53
  5. Step 5: Solve for x
    x = 11,316,578,729.53/110,171.80
  6. Step 6: Final answer
    x = 102,717.56

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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.