Home / 120,298.72-180,447.12-94,025.56

Finding the Fourth Proportional to 120,298.72, 180,447.12 and 94,025.56

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Solution

The fourth proportional to 120,298.72, 180,447.12 and 94,025.56 is: 141,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,298.72 : 180,447.12 = 94,025.56 : x
  2. Step 2: Convert to fraction form
    120,298.72/180,447.12 = 94,025.56/x
  3. Step 3: Cross multiply
    120,298.72x = 180,447.12 × 94,025.56
  4. Step 4: Simplify right side
    120,298.72x = 16,966,641,508.39
  5. Step 5: Solve for x
    x = 16,966,641,508.39/120,298.72
  6. Step 6: Final answer
    x = 141,037.59

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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.