Home / 143,987.47-216,022.66-44,162.31

Finding the Fourth Proportional to 143,987.47, 216,022.66 and 44,162.31

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Solution

The fourth proportional to 143,987.47, 216,022.66 and 44,162.31 is: 66,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,987.47 : 216,022.66 = 44,162.31 : x
  2. Step 2: Convert to fraction form
    143,987.47/216,022.66 = 44,162.31/x
  3. Step 3: Cross multiply
    143,987.47x = 216,022.66 × 44,162.31
  4. Step 4: Simplify right side
    143,987.47x = 9,540,059,457.13
  5. Step 5: Solve for x
    x = 9,540,059,457.13/143,987.47
  6. Step 6: Final answer
    x = 66,256.18

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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.