Home / 134,148.15-185,084.08-80,413.56

Finding the Fourth Proportional to 134,148.15, 185,084.08 and 80,413.56

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Solution

The fourth proportional to 134,148.15, 185,084.08 and 80,413.56 is: 110,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,148.15 : 185,084.08 = 80,413.56 : x
  2. Step 2: Convert to fraction form
    134,148.15/185,084.08 = 80,413.56/x
  3. Step 3: Cross multiply
    134,148.15x = 185,084.08 × 80,413.56
  4. Step 4: Simplify right side
    134,148.15x = 14,883,269,772.12
  5. Step 5: Solve for x
    x = 14,883,269,772.12/134,148.15
  6. Step 6: Final answer
    x = 110,946.52

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1.5x scale

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.