Home / 141,318.58-211,516.35-103,868.74

Finding the Fourth Proportional to 141,318.58, 211,516.35 and 103,868.74

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Solution

The fourth proportional to 141,318.58, 211,516.35 and 103,868.74 is: 155,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,318.58 : 211,516.35 = 103,868.74 : x
  2. Step 2: Convert to fraction form
    141,318.58/211,516.35 = 103,868.74/x
  3. Step 3: Cross multiply
    141,318.58x = 211,516.35 × 103,868.74
  4. Step 4: Simplify right side
    141,318.58x = 21,969,936,763.90
  5. Step 5: Solve for x
    x = 21,969,936,763.90/141,318.58
  6. Step 6: Final answer
    x = 155,463.89

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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.