Home / 125,155.44-187,733-50,275.58

Finding the Fourth Proportional to 125,155.44, 187,733 and 50,275.58

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Solution

The fourth proportional to 125,155.44, 187,733 and 50,275.58 is: 75,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,155.44 : 187,733 = 50,275.58 : x
  2. Step 2: Convert to fraction form
    125,155.44/187,733 = 50,275.58/x
  3. Step 3: Cross multiply
    125,155.44x = 187,733 × 50,275.58
  4. Step 4: Simplify right side
    125,155.44x = 9,438,385,460.14
  5. Step 5: Solve for x
    x = 9,438,385,460.14/125,155.44
  6. Step 6: Final answer
    x = 75,413.31

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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.