Home / 132,200.24-182,465.10-81,239.69

Finding the Fourth Proportional to 132,200.24, 182,465.10 and 81,239.69

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Solution

The fourth proportional to 132,200.24, 182,465.10 and 81,239.69 is: 112,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,200.24 : 182,465.10 = 81,239.69 : x
  2. Step 2: Convert to fraction form
    132,200.24/182,465.10 = 81,239.69/x
  3. Step 3: Cross multiply
    132,200.24x = 182,465.10 × 81,239.69
  4. Step 4: Simplify right side
    132,200.24x = 14,823,408,615.98
  5. Step 5: Solve for x
    x = 14,823,408,615.98/132,200.24
  6. Step 6: Final answer
    x = 112,128.46

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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.