Home / 141,386.52-211,618.22-103,936.68

Finding the Fourth Proportional to 141,386.52, 211,618.22 and 103,936.68

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Solution

The fourth proportional to 141,386.52, 211,618.22 and 103,936.68 is: 155,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,386.52 : 211,618.22 = 103,936.68 : x
  2. Step 2: Convert to fraction form
    141,386.52/211,618.22 = 103,936.68/x
  3. Step 3: Cross multiply
    141,386.52x = 211,618.22 × 103,936.68
  4. Step 4: Simplify right side
    141,386.52x = 21,994,895,214.31
  5. Step 5: Solve for x
    x = 21,994,895,214.31/141,386.52
  6. Step 6: Final answer
    x = 155,565.72

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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.