Home / 141,962.21-195,907.47-81,536.77

Finding the Fourth Proportional to 141,962.21, 195,907.47 and 81,536.77

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Solution

The fourth proportional to 141,962.21, 195,907.47 and 81,536.77 is: 112,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962.21 : 195,907.47 = 81,536.77 : x
  2. Step 2: Convert to fraction form
    141,962.21/195,907.47 = 81,536.77/x
  3. Step 3: Cross multiply
    141,962.21x = 195,907.47 × 81,536.77
  4. Step 4: Simplify right side
    141,962.21x = 15,973,661,527.14
  5. Step 5: Solve for x
    x = 15,973,661,527.14/141,962.21
  6. Step 6: Final answer
    x = 112,520.52

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1.5x scale

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.