Home / 189,543.37-284,413.45-77,305.93

Finding the Fourth Proportional to 189,543.37, 284,413.45 and 77,305.93

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Solution

The fourth proportional to 189,543.37, 284,413.45 and 77,305.93 is: 115,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,543.37 : 284,413.45 = 77,305.93 : x
  2. Step 2: Convert to fraction form
    189,543.37/284,413.45 = 77,305.93/x
  3. Step 3: Cross multiply
    189,543.37x = 284,413.45 × 77,305.93
  4. Step 4: Simplify right side
    189,543.37x = 21,986,846,256.76
  5. Step 5: Solve for x
    x = 21,986,846,256.76/189,543.37
  6. Step 6: Final answer
    x = 115,999.03

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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.