Home / 132,421.51-182,745.29-71,996.22

Finding the Fourth Proportional to 132,421.51, 182,745.29 and 71,996.22

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Solution

The fourth proportional to 132,421.51, 182,745.29 and 71,996.22 is: 99,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,421.51 : 182,745.29 = 71,996.22 : x
  2. Step 2: Convert to fraction form
    132,421.51/182,745.29 = 71,996.22/x
  3. Step 3: Cross multiply
    132,421.51x = 182,745.29 × 71,996.22
  4. Step 4: Simplify right side
    132,421.51x = 13,156,970,102.80
  5. Step 5: Solve for x
    x = 13,156,970,102.80/132,421.51
  6. Step 6: Final answer
    x = 99,356.74

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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.