Home / 120,260.40-180,392.64-36,000.96

Finding the Fourth Proportional to 120,260.40, 180,392.64 and 36,000.96

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Solution

The fourth proportional to 120,260.40, 180,392.64 and 36,000.96 is: 54,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.40 : 180,392.64 = 36,000.96 : x
  2. Step 2: Convert to fraction form
    120,260.40/180,392.64 = 36,000.96/x
  3. Step 3: Cross multiply
    120,260.40x = 180,392.64 × 36,000.96
  4. Step 4: Simplify right side
    120,260.40x = 6,494,308,216.93
  5. Step 5: Solve for x
    x = 6,494,308,216.93/120,260.40
  6. Step 6: Final answer
    x = 54,002.05

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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.