Home / 182,148.22-251,366.16-100,479.60

Finding the Fourth Proportional to 182,148.22, 251,366.16 and 100,479.60

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Solution

The fourth proportional to 182,148.22, 251,366.16 and 100,479.60 is: 138,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,148.22 : 251,366.16 = 100,479.60 : x
  2. Step 2: Convert to fraction form
    182,148.22/251,366.16 = 100,479.60/x
  3. Step 3: Cross multiply
    182,148.22x = 251,366.16 × 100,479.60
  4. Step 4: Simplify right side
    182,148.22x = 25,257,171,210.34
  5. Step 5: Solve for x
    x = 25,257,171,210.34/182,148.22
  6. Step 6: Final answer
    x = 138,662.74

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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.