Home / 144,538.44-216,820.62-39,357.96

Finding the Fourth Proportional to 144,538.44, 216,820.62 and 39,357.96

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Solution

The fourth proportional to 144,538.44, 216,820.62 and 39,357.96 is: 59,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,538.44 : 216,820.62 = 39,357.96 : x
  2. Step 2: Convert to fraction form
    144,538.44/216,820.62 = 39,357.96/x
  3. Step 3: Cross multiply
    144,538.44x = 216,820.62 × 39,357.96
  4. Step 4: Simplify right side
    144,538.44x = 8,533,617,289.14
  5. Step 5: Solve for x
    x = 8,533,617,289.14/144,538.44
  6. Step 6: Final answer
    x = 59,040.47

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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.