Home / 120,368.80-180,442.63-41,464.27

Finding the Fourth Proportional to 120,368.80, 180,442.63 and 41,464.27

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Solution

The fourth proportional to 120,368.80, 180,442.63 and 41,464.27 is: 62,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,368.80 : 180,442.63 = 41,464.27 : x
  2. Step 2: Convert to fraction form
    120,368.80/180,442.63 = 41,464.27/x
  3. Step 3: Cross multiply
    120,368.80x = 180,442.63 × 41,464.27
  4. Step 4: Simplify right side
    120,368.80x = 7,481,921,929.83
  5. Step 5: Solve for x
    x = 7,481,921,929.83/120,368.80
  6. Step 6: Final answer
    x = 62,158.32

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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.