Home / 146,642.36-219,569.84-76,374.04

Finding the Fourth Proportional to 146,642.36, 219,569.84 and 76,374.04

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Solution

The fourth proportional to 146,642.36, 219,569.84 and 76,374.04 is: 114,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,642.36 : 219,569.84 = 76,374.04 : x
  2. Step 2: Convert to fraction form
    146,642.36/219,569.84 = 76,374.04/x
  3. Step 3: Cross multiply
    146,642.36x = 219,569.84 × 76,374.04
  4. Step 4: Simplify right side
    146,642.36x = 16,769,435,742.95
  5. Step 5: Solve for x
    x = 16,769,435,742.95/146,642.36
  6. Step 6: Final answer
    x = 114,356.01

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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.