Home / 144,561.22-216,749.31-69,531.96

Finding the Fourth Proportional to 144,561.22, 216,749.31 and 69,531.96

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Solution

The fourth proportional to 144,561.22, 216,749.31 and 69,531.96 is: 104,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,561.22 : 216,749.31 = 69,531.96 : x
  2. Step 2: Convert to fraction form
    144,561.22/216,749.31 = 69,531.96/x
  3. Step 3: Cross multiply
    144,561.22x = 216,749.31 × 69,531.96
  4. Step 4: Simplify right side
    144,561.22x = 15,071,004,352.95
  5. Step 5: Solve for x
    x = 15,071,004,352.95/144,561.22
  6. Step 6: Final answer
    x = 104,253.44

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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.