Home / 146,098.87-219,283.02-74,102.32

Finding the Fourth Proportional to 146,098.87, 219,283.02 and 74,102.32

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Solution

The fourth proportional to 146,098.87, 219,283.02 and 74,102.32 is: 111,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,098.87 : 219,283.02 = 74,102.32 : x
  2. Step 2: Convert to fraction form
    146,098.87/219,283.02 = 74,102.32/x
  3. Step 3: Cross multiply
    146,098.87x = 219,283.02 × 74,102.32
  4. Step 4: Simplify right side
    146,098.87x = 16,249,380,518.61
  5. Step 5: Solve for x
    x = 16,249,380,518.61/146,098.87
  6. Step 6: Final answer
    x = 111,221.81

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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.