Home / 146,584.40-219,876.60-99,345.20

Finding the Fourth Proportional to 146,584.40, 219,876.60 and 99,345.20

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Solution

The fourth proportional to 146,584.40, 219,876.60 and 99,345.20 is: 149,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,584.40 : 219,876.60 = 99,345.20 : x
  2. Step 2: Convert to fraction form
    146,584.40/219,876.60 = 99,345.20/x
  3. Step 3: Cross multiply
    146,584.40x = 219,876.60 × 99,345.20
  4. Step 4: Simplify right side
    146,584.40x = 21,843,684,802.32
  5. Step 5: Solve for x
    x = 21,843,684,802.32/146,584.40
  6. Step 6: Final answer
    x = 149,017.80

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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.