Home / 238,977.48-358,518.24-72,761.16

Finding the Fourth Proportional to 238,977.48, 358,518.24 and 72,761.16

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Solution

The fourth proportional to 238,977.48, 358,518.24 and 72,761.16 is: 109,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,977.48 : 358,518.24 = 72,761.16 : x
  2. Step 2: Convert to fraction form
    238,977.48/358,518.24 = 72,761.16/x
  3. Step 3: Cross multiply
    238,977.48x = 358,518.24 × 72,761.16
  4. Step 4: Simplify right side
    238,977.48x = 26,086,203,023.56
  5. Step 5: Solve for x
    x = 26,086,203,023.56/238,977.48
  6. Step 6: Final answer
    x = 109,157.58

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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.