Home / 132,135.42-182,498.37-87,015.18

Finding the Fourth Proportional to 132,135.42, 182,498.37 and 87,015.18

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Solution

The fourth proportional to 132,135.42, 182,498.37 and 87,015.18 is: 120,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,135.42 : 182,498.37 = 87,015.18 : x
  2. Step 2: Convert to fraction form
    132,135.42/182,498.37 = 87,015.18/x
  3. Step 3: Cross multiply
    132,135.42x = 182,498.37 × 87,015.18
  4. Step 4: Simplify right side
    132,135.42x = 15,880,128,515.26
  5. Step 5: Solve for x
    x = 15,880,128,515.26/132,135.42
  6. Step 6: Final answer
    x = 120,180.71

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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.