Home / 235,494.18-324,867.66-139,933.20

Finding the Fourth Proportional to 235,494.18, 324,867.66 and 139,933.20

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Solution

The fourth proportional to 235,494.18, 324,867.66 and 139,933.20 is: 193,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,494.18 : 324,867.66 = 139,933.20 : x
  2. Step 2: Convert to fraction form
    235,494.18/324,867.66 = 139,933.20/x
  3. Step 3: Cross multiply
    235,494.18x = 324,867.66 × 139,933.20
  4. Step 4: Simplify right side
    235,494.18x = 45,459,771,240.31
  5. Step 5: Solve for x
    x = 45,459,771,240.31/235,494.18
  6. Step 6: Final answer
    x = 193,039.89

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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.