Home / 120,310.64-180,465.20-94,037.52

Finding the Fourth Proportional to 120,310.64, 180,465.20 and 94,037.52

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Solution

The fourth proportional to 120,310.64, 180,465.20 and 94,037.52 is: 141,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,310.64 : 180,465.20 = 94,037.52 : x
  2. Step 2: Convert to fraction form
    120,310.64/180,465.20 = 94,037.52/x
  3. Step 3: Cross multiply
    120,310.64x = 180,465.20 × 94,037.52
  4. Step 4: Simplify right side
    120,310.64x = 16,970,499,854.30
  5. Step 5: Solve for x
    x = 16,970,499,854.30/120,310.64
  6. Step 6: Final answer
    x = 141,055.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.