Home / 143,985.22-216,019.28-44,160.05

Finding the Fourth Proportional to 143,985.22, 216,019.28 and 44,160.05

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Solution

The fourth proportional to 143,985.22, 216,019.28 and 44,160.05 is: 66,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,985.22 : 216,019.28 = 44,160.05 : x
  2. Step 2: Convert to fraction form
    143,985.22/216,019.28 = 44,160.05/x
  3. Step 3: Cross multiply
    143,985.22x = 216,019.28 × 44,160.05
  4. Step 4: Simplify right side
    143,985.22x = 9,539,422,856.21
  5. Step 5: Solve for x
    x = 9,539,422,856.21/143,985.22
  6. Step 6: Final answer
    x = 66,252.79

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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.