Home / 117,114.55-161,616.74-63,398.39

Finding the Fourth Proportional to 117,114.55, 161,616.74 and 63,398.39

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Solution

The fourth proportional to 117,114.55, 161,616.74 and 63,398.39 is: 87,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,114.55 : 161,616.74 = 63,398.39 : x
  2. Step 2: Convert to fraction form
    117,114.55/161,616.74 = 63,398.39/x
  3. Step 3: Cross multiply
    117,114.55x = 161,616.74 × 63,398.39
  4. Step 4: Simplify right side
    117,114.55x = 10,246,239,987.97
  5. Step 5: Solve for x
    x = 10,246,239,987.97/117,114.55
  6. Step 6: Final answer
    x = 87,489.05

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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.