Home / 177,746.80-266,620.20-130,507.60

Finding the Fourth Proportional to 177,746.80, 266,620.20 and 130,507.60

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Solution

The fourth proportional to 177,746.80, 266,620.20 and 130,507.60 is: 195,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,746.80 : 266,620.20 = 130,507.60 : x
  2. Step 2: Convert to fraction form
    177,746.80/266,620.20 = 130,507.60/x
  3. Step 3: Cross multiply
    177,746.80x = 266,620.20 × 130,507.60
  4. Step 4: Simplify right side
    177,746.80x = 34,795,962,413.52
  5. Step 5: Solve for x
    x = 34,795,962,413.52/177,746.80
  6. Step 6: Final answer
    x = 195,761.40

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1.5x scale

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.