Home / 146,607.93-219,977.51-84,278.43

Finding the Fourth Proportional to 146,607.93, 219,977.51 and 84,278.43

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Solution

The fourth proportional to 146,607.93, 219,977.51 and 84,278.43 is: 126,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,607.93 : 219,977.51 = 84,278.43 : x
  2. Step 2: Convert to fraction form
    146,607.93/219,977.51 = 84,278.43/x
  3. Step 3: Cross multiply
    146,607.93x = 219,977.51 × 84,278.43
  4. Step 4: Simplify right side
    146,607.93x = 18,539,358,756.72
  5. Step 5: Solve for x
    x = 18,539,358,756.72/146,607.93
  6. Step 6: Final answer
    x = 126,455.36

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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.