Home / 126,157.72-189,273.11-37,413.36

Finding the Fourth Proportional to 126,157.72, 189,273.11 and 37,413.36

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Solution

The fourth proportional to 126,157.72, 189,273.11 and 37,413.36 is: 56,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,157.72 : 189,273.11 = 37,413.36 : x
  2. Step 2: Convert to fraction form
    126,157.72/189,273.11 = 37,413.36/x
  3. Step 3: Cross multiply
    126,157.72x = 189,273.11 × 37,413.36
  4. Step 4: Simplify right side
    126,157.72x = 7,081,343,002.75
  5. Step 5: Solve for x
    x = 7,081,343,002.75/126,157.72
  6. Step 6: Final answer
    x = 56,130.87

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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.