Home / 141,962.15-195,907.41-81,536.72

Finding the Fourth Proportional to 141,962.15, 195,907.41 and 81,536.72

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Solution

The fourth proportional to 141,962.15, 195,907.41 and 81,536.72 is: 112,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962.15 : 195,907.41 = 81,536.72 : x
  2. Step 2: Convert to fraction form
    141,962.15/195,907.41 = 81,536.72/x
  3. Step 3: Cross multiply
    141,962.15x = 195,907.41 × 81,536.72
  4. Step 4: Simplify right side
    141,962.15x = 15,973,646,655.56
  5. Step 5: Solve for x
    x = 15,973,646,655.56/141,962.15
  6. Step 6: Final answer
    x = 112,520.46

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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.