Home / 156,741.90-234,853.65-133,413.90

Finding the Fourth Proportional to 156,741.90, 234,853.65 and 133,413.90

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Solution

The fourth proportional to 156,741.90, 234,853.65 and 133,413.90 is: 199,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.90 : 234,853.65 = 133,413.90 : x
  2. Step 2: Convert to fraction form
    156,741.90/234,853.65 = 133,413.90/x
  3. Step 3: Cross multiply
    156,741.90x = 234,853.65 × 133,413.90
  4. Step 4: Simplify right side
    156,741.90x = 31,332,741,375.74
  5. Step 5: Solve for x
    x = 31,332,741,375.74/156,741.90
  6. Step 6: Final answer
    x = 199,900.23

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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.