Home / 144,585.19-216,842.86-55,782.06

Finding the Fourth Proportional to 144,585.19, 216,842.86 and 55,782.06

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Solution

The fourth proportional to 144,585.19, 216,842.86 and 55,782.06 is: 83,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585.19 : 216,842.86 = 55,782.06 : x
  2. Step 2: Convert to fraction form
    144,585.19/216,842.86 = 55,782.06/x
  3. Step 3: Cross multiply
    144,585.19x = 216,842.86 × 55,782.06
  4. Step 4: Simplify right side
    144,585.19x = 12,095,940,063.97
  5. Step 5: Solve for x
    x = 12,095,940,063.97/144,585.19
  6. Step 6: Final answer
    x = 83,659.61

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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.