Home / 128,050.44-191,610.84-92,582.76

Finding the Fourth Proportional to 128,050.44, 191,610.84 and 92,582.76

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Solution

The fourth proportional to 128,050.44, 191,610.84 and 92,582.76 is: 138,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,050.44 : 191,610.84 = 92,582.76 : x
  2. Step 2: Convert to fraction form
    128,050.44/191,610.84 = 92,582.76/x
  3. Step 3: Cross multiply
    128,050.44x = 191,610.84 × 92,582.76
  4. Step 4: Simplify right side
    128,050.44x = 17,739,860,413.12
  5. Step 5: Solve for x
    x = 17,739,860,413.12/128,050.44
  6. Step 6: Final answer
    x = 138,538.07

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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.