Home / 141,967.15-195,516.03-138,867.08

Finding the Fourth Proportional to 141,967.15, 195,516.03 and 138,867.08

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Solution

The fourth proportional to 141,967.15, 195,516.03 and 138,867.08 is: 191,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,967.15 : 195,516.03 = 138,867.08 : x
  2. Step 2: Convert to fraction form
    141,967.15/195,516.03 = 138,867.08/x
  3. Step 3: Cross multiply
    141,967.15x = 195,516.03 × 138,867.08
  4. Step 4: Simplify right side
    141,967.15x = 27,150,738,941.34
  5. Step 5: Solve for x
    x = 27,150,738,941.34/141,967.15
  6. Step 6: Final answer
    x = 191,246.63

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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.