Home / 141,865.51-212,561.72-116,642.81

Finding the Fourth Proportional to 141,865.51, 212,561.72 and 116,642.81

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Solution

The fourth proportional to 141,865.51, 212,561.72 and 116,642.81 is: 174,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,865.51 : 212,561.72 = 116,642.81 : x
  2. Step 2: Convert to fraction form
    141,865.51/212,561.72 = 116,642.81/x
  3. Step 3: Cross multiply
    141,865.51x = 212,561.72 × 116,642.81
  4. Step 4: Simplify right side
    141,865.51x = 24,793,795,736.02
  5. Step 5: Solve for x
    x = 24,793,795,736.02/141,865.51
  6. Step 6: Final answer
    x = 174,769.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.