Home / 117,505.87-162,140.99-67,195.15

Finding the Fourth Proportional to 117,505.87, 162,140.99 and 67,195.15

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Solution

The fourth proportional to 117,505.87, 162,140.99 and 67,195.15 is: 92,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,505.87 : 162,140.99 = 67,195.15 : x
  2. Step 2: Convert to fraction form
    117,505.87/162,140.99 = 67,195.15/x
  3. Step 3: Cross multiply
    117,505.87x = 162,140.99 × 67,195.15
  4. Step 4: Simplify right side
    117,505.87x = 10,895,087,402.87
  5. Step 5: Solve for x
    x = 10,895,087,402.87/117,505.87
  6. Step 6: Final answer
    x = 92,719.52

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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.