Home / 162,804.45-244,042.65-74,121.60

Finding the Fourth Proportional to 162,804.45, 244,042.65 and 74,121.60

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Solution

The fourth proportional to 162,804.45, 244,042.65 and 74,121.60 is: 111,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,804.45 : 244,042.65 = 74,121.60 : x
  2. Step 2: Convert to fraction form
    162,804.45/244,042.65 = 74,121.60/x
  3. Step 3: Cross multiply
    162,804.45x = 244,042.65 × 74,121.60
  4. Step 4: Simplify right side
    162,804.45x = 18,088,831,686.24
  5. Step 5: Solve for x
    x = 18,088,831,686.24/162,804.45
  6. Step 6: Final answer
    x = 111,107.72

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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.