Home / 122,171.40-183,257.10-101,176.20

Finding the Fourth Proportional to 122,171.40, 183,257.10 and 101,176.20

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Solution

The fourth proportional to 122,171.40, 183,257.10 and 101,176.20 is: 151,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,171.40 : 183,257.10 = 101,176.20 : x
  2. Step 2: Convert to fraction form
    122,171.40/183,257.10 = 101,176.20/x
  3. Step 3: Cross multiply
    122,171.40x = 183,257.10 × 101,176.20
  4. Step 4: Simplify right side
    122,171.40x = 18,541,257,001.02
  5. Step 5: Solve for x
    x = 18,541,257,001.02/122,171.40
  6. Step 6: Final answer
    x = 151,764.30

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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.