Home / 117,682.28-162,401.08-63,967.13

Finding the Fourth Proportional to 117,682.28, 162,401.08 and 63,967.13

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Solution

The fourth proportional to 117,682.28, 162,401.08 and 63,967.13 is: 88,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,682.28 : 162,401.08 = 63,967.13 : x
  2. Step 2: Convert to fraction form
    117,682.28/162,401.08 = 63,967.13/x
  3. Step 3: Cross multiply
    117,682.28x = 162,401.08 × 63,967.13
  4. Step 4: Simplify right side
    117,682.28x = 10,388,330,996.50
  5. Step 5: Solve for x
    x = 10,388,330,996.50/117,682.28
  6. Step 6: Final answer
    x = 88,274.39

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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.