Home / 146,635.40-219,991.80-57,867.32

Finding the Fourth Proportional to 146,635.40, 219,991.80 and 57,867.32

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Solution

The fourth proportional to 146,635.40, 219,991.80 and 57,867.32 is: 86,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,635.40 : 219,991.80 = 57,867.32 : x
  2. Step 2: Convert to fraction form
    146,635.40/219,991.80 = 57,867.32/x
  3. Step 3: Cross multiply
    146,635.40x = 219,991.80 × 57,867.32
  4. Step 4: Simplify right side
    146,635.40x = 12,730,335,887.98
  5. Step 5: Solve for x
    x = 12,730,335,887.98/146,635.40
  6. Step 6: Final answer
    x = 86,816.25

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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.