Home / 185,413.86-255,776.94-117,316.08

Finding the Fourth Proportional to 185,413.86, 255,776.94 and 117,316.08

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Solution

The fourth proportional to 185,413.86, 255,776.94 and 117,316.08 is: 161,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,413.86 : 255,776.94 = 117,316.08 : x
  2. Step 2: Convert to fraction form
    185,413.86/255,776.94 = 117,316.08/x
  3. Step 3: Cross multiply
    185,413.86x = 255,776.94 × 117,316.08
  4. Step 4: Simplify right side
    185,413.86x = 30,006,747,955.20
  5. Step 5: Solve for x
    x = 30,006,747,955.20/185,413.86
  6. Step 6: Final answer
    x = 161,836.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.