Home / 100,149.30-138,196.44-59,855.04

Finding the Fourth Proportional to 100,149.30, 138,196.44 and 59,855.04

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Solution

The fourth proportional to 100,149.30, 138,196.44 and 59,855.04 is: 82,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,149.30 : 138,196.44 = 59,855.04 : x
  2. Step 2: Convert to fraction form
    100,149.30/138,196.44 = 59,855.04/x
  3. Step 3: Cross multiply
    100,149.30x = 138,196.44 × 59,855.04
  4. Step 4: Simplify right side
    100,149.30x = 8,271,753,444.06
  5. Step 5: Solve for x
    x = 8,271,753,444.06/100,149.30
  6. Step 6: Final answer
    x = 82,594.22

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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.