Home / 113,949.99-157,212.50-66,164.04

Finding the Fourth Proportional to 113,949.99, 157,212.50 and 66,164.04

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Solution

The fourth proportional to 113,949.99, 157,212.50 and 66,164.04 is: 91,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,949.99 : 157,212.50 = 66,164.04 : x
  2. Step 2: Convert to fraction form
    113,949.99/157,212.50 = 66,164.04/x
  3. Step 3: Cross multiply
    113,949.99x = 157,212.50 × 66,164.04
  4. Step 4: Simplify right side
    113,949.99x = 10,401,813,807.68
  5. Step 5: Solve for x
    x = 10,401,813,807.68/113,949.99
  6. Step 6: Final answer
    x = 91,284.03

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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.