Home / 120,513.22-180,778.84-36,266.74

Finding the Fourth Proportional to 120,513.22, 180,778.84 and 36,266.74

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Solution

The fourth proportional to 120,513.22, 180,778.84 and 36,266.74 is: 54,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,513.22 : 180,778.84 = 36,266.74 : x
  2. Step 2: Convert to fraction form
    120,513.22/180,778.84 = 36,266.74/x
  3. Step 3: Cross multiply
    120,513.22x = 180,778.84 × 36,266.74
  4. Step 4: Simplify right side
    120,513.22x = 6,556,258,645.17
  5. Step 5: Solve for x
    x = 6,556,258,645.17/120,513.22
  6. Step 6: Final answer
    x = 54,402.82

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1.5x scale

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.