Home / 190,451.76-262,806.93-108,779.61

Finding the Fourth Proportional to 190,451.76, 262,806.93 and 108,779.61

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Solution

The fourth proportional to 190,451.76, 262,806.93 and 108,779.61 is: 150,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,451.76 : 262,806.93 = 108,779.61 : x
  2. Step 2: Convert to fraction form
    190,451.76/262,806.93 = 108,779.61/x
  3. Step 3: Cross multiply
    190,451.76x = 262,806.93 × 108,779.61
  4. Step 4: Simplify right side
    190,451.76x = 28,588,034,857.93
  5. Step 5: Solve for x
    x = 28,588,034,857.93/190,451.76
  6. Step 6: Final answer
    x = 150,106.44

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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.