Home / 141,026.68-211,720.28-121,163.25

Finding the Fourth Proportional to 141,026.68, 211,720.28 and 121,163.25

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Solution

The fourth proportional to 141,026.68, 211,720.28 and 121,163.25 is: 181,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,026.68 : 211,720.28 = 121,163.25 : x
  2. Step 2: Convert to fraction form
    141,026.68/211,720.28 = 121,163.25/x
  3. Step 3: Cross multiply
    141,026.68x = 211,720.28 × 121,163.25
  4. Step 4: Simplify right side
    141,026.68x = 25,652,717,215.71
  5. Step 5: Solve for x
    x = 25,652,717,215.71/141,026.68
  6. Step 6: Final answer
    x = 181,899.75

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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.