Home / 120,442.07-180,649.02-48,392.06

Finding the Fourth Proportional to 120,442.07, 180,649.02 and 48,392.06

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Solution

The fourth proportional to 120,442.07, 180,649.02 and 48,392.06 is: 72,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,442.07 : 180,649.02 = 48,392.06 : x
  2. Step 2: Convert to fraction form
    120,442.07/180,649.02 = 48,392.06/x
  3. Step 3: Cross multiply
    120,442.07x = 180,649.02 × 48,392.06
  4. Step 4: Simplify right side
    120,442.07x = 8,741,977,311.54
  5. Step 5: Solve for x
    x = 8,741,977,311.54/120,442.07
  6. Step 6: Final answer
    x = 72,582.43

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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.