Home / 174,477.56-261,815.16-74,628.86

Finding the Fourth Proportional to 174,477.56, 261,815.16 and 74,628.86

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Solution

The fourth proportional to 174,477.56, 261,815.16 and 74,628.86 is: 111,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,477.56 : 261,815.16 = 74,628.86 : x
  2. Step 2: Convert to fraction form
    174,477.56/261,815.16 = 74,628.86/x
  3. Step 3: Cross multiply
    174,477.56x = 261,815.16 × 74,628.86
  4. Step 4: Simplify right side
    174,477.56x = 19,538,965,612.44
  5. Step 5: Solve for x
    x = 19,538,965,612.44/174,477.56
  6. Step 6: Final answer
    x = 111,985.55

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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.