Home / 120,566.20-180,807.72-49,468.76

Finding the Fourth Proportional to 120,566.20, 180,807.72 and 49,468.76

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Solution

The fourth proportional to 120,566.20, 180,807.72 and 49,468.76 is: 74,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,566.20 : 180,807.72 = 49,468.76 : x
  2. Step 2: Convert to fraction form
    120,566.20/180,807.72 = 49,468.76/x
  3. Step 3: Cross multiply
    120,566.20x = 180,807.72 × 49,468.76
  4. Step 4: Simplify right side
    120,566.20x = 8,944,333,706.83
  5. Step 5: Solve for x
    x = 8,944,333,706.83/120,566.20
  6. Step 6: Final answer
    x = 74,186.08

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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.