Home / 127,352.67-175,739.22-72,907.62

Finding the Fourth Proportional to 127,352.67, 175,739.22 and 72,907.62

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Solution

The fourth proportional to 127,352.67, 175,739.22 and 72,907.62 is: 100,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.67 : 175,739.22 = 72,907.62 : x
  2. Step 2: Convert to fraction form
    127,352.67/175,739.22 = 72,907.62/x
  3. Step 3: Cross multiply
    127,352.67x = 175,739.22 × 72,907.62
  4. Step 4: Simplify right side
    127,352.67x = 12,812,728,270.86
  5. Step 5: Solve for x
    x = 12,812,728,270.86/127,352.67
  6. Step 6: Final answer
    x = 100,608.24

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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.