Home / 151,812.37-227,428.77-85,050.55

Finding the Fourth Proportional to 151,812.37, 227,428.77 and 85,050.55

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Solution

The fourth proportional to 151,812.37, 227,428.77 and 85,050.55 is: 127,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,812.37 : 227,428.77 = 85,050.55 : x
  2. Step 2: Convert to fraction form
    151,812.37/227,428.77 = 85,050.55/x
  3. Step 3: Cross multiply
    151,812.37x = 227,428.77 × 85,050.55
  4. Step 4: Simplify right side
    151,812.37x = 19,342,941,724.69
  5. Step 5: Solve for x
    x = 19,342,941,724.69/151,812.37
  6. Step 6: Final answer
    x = 127,413.48

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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.