Home / 171,271.68-256,575.06-126,211.25

Finding the Fourth Proportional to 171,271.68, 256,575.06 and 126,211.25

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Solution

The fourth proportional to 171,271.68, 256,575.06 and 126,211.25 is: 189,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,271.68 : 256,575.06 = 126,211.25 : x
  2. Step 2: Convert to fraction form
    171,271.68/256,575.06 = 126,211.25/x
  3. Step 3: Cross multiply
    171,271.68x = 256,575.06 × 126,211.25
  4. Step 4: Simplify right side
    171,271.68x = 32,382,659,041.43
  5. Step 5: Solve for x
    x = 32,382,659,041.43/171,271.68
  6. Step 6: Final answer
    x = 189,071.88

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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.