Home / 149,919.12-206,955-114,110.64

Finding the Fourth Proportional to 149,919.12, 206,955 and 114,110.64

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Solution

The fourth proportional to 149,919.12, 206,955 and 114,110.64 is: 157,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,919.12 : 206,955 = 114,110.64 : x
  2. Step 2: Convert to fraction form
    149,919.12/206,955 = 114,110.64/x
  3. Step 3: Cross multiply
    149,919.12x = 206,955 × 114,110.64
  4. Step 4: Simplify right side
    149,919.12x = 23,615,767,501.20
  5. Step 5: Solve for x
    x = 23,615,767,501.20/149,919.12
  6. Step 6: Final answer
    x = 157,523.39

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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.