Home / 117,202.15-161,738.94-63,487.14

Finding the Fourth Proportional to 117,202.15, 161,738.94 and 63,487.14

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Solution

The fourth proportional to 117,202.15, 161,738.94 and 63,487.14 is: 87,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,202.15 : 161,738.94 = 63,487.14 : x
  2. Step 2: Convert to fraction form
    117,202.15/161,738.94 = 63,487.14/x
  3. Step 3: Cross multiply
    117,202.15x = 161,738.94 × 63,487.14
  4. Step 4: Simplify right side
    117,202.15x = 10,268,342,727.23
  5. Step 5: Solve for x
    x = 10,268,342,727.23/117,202.15
  6. Step 6: Final answer
    x = 87,612.24

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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.