Home / 141,012.63-194,570.51-80,602.43

Finding the Fourth Proportional to 141,012.63, 194,570.51 and 80,602.43

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Solution

The fourth proportional to 141,012.63, 194,570.51 and 80,602.43 is: 111,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,012.63 : 194,570.51 = 80,602.43 : x
  2. Step 2: Convert to fraction form
    141,012.63/194,570.51 = 80,602.43/x
  3. Step 3: Cross multiply
    141,012.63x = 194,570.51 × 80,602.43
  4. Step 4: Simplify right side
    141,012.63x = 15,682,854,536.47
  5. Step 5: Solve for x
    x = 15,682,854,536.47/141,012.63
  6. Step 6: Final answer
    x = 111,215.96

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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.