Home / 174,129.86-261,293.21-74,280.62

Finding the Fourth Proportional to 174,129.86, 261,293.21 and 74,280.62

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Solution

The fourth proportional to 174,129.86, 261,293.21 and 74,280.62 is: 111,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,129.86 : 261,293.21 = 74,280.62 : x
  2. Step 2: Convert to fraction form
    174,129.86/261,293.21 = 74,280.62/x
  3. Step 3: Cross multiply
    174,129.86x = 261,293.21 × 74,280.62
  4. Step 4: Simplify right side
    174,129.86x = 19,409,021,640.59
  5. Step 5: Solve for x
    x = 19,409,021,640.59/174,129.86
  6. Step 6: Final answer
    x = 111,462.91

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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.