Home / 141,073.22-194,681.02-80,645.21

Finding the Fourth Proportional to 141,073.22, 194,681.02 and 80,645.21

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Solution

The fourth proportional to 141,073.22, 194,681.02 and 80,645.21 is: 111,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,073.22 : 194,681.02 = 80,645.21 : x
  2. Step 2: Convert to fraction form
    141,073.22/194,681.02 = 80,645.21/x
  3. Step 3: Cross multiply
    141,073.22x = 194,681.02 × 80,645.21
  4. Step 4: Simplify right side
    141,073.22x = 15,700,091,740.91
  5. Step 5: Solve for x
    x = 15,700,091,740.91/141,073.22
  6. Step 6: Final answer
    x = 111,290.38

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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.