Home / 190,321.48-262,624.86-108,650.76

Finding the Fourth Proportional to 190,321.48, 262,624.86 and 108,650.76

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Solution

The fourth proportional to 190,321.48, 262,624.86 and 108,650.76 is: 149,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,321.48 : 262,624.86 = 108,650.76 : x
  2. Step 2: Convert to fraction form
    190,321.48/262,624.86 = 108,650.76/x
  3. Step 3: Cross multiply
    190,321.48x = 262,624.86 × 108,650.76
  4. Step 4: Simplify right side
    190,321.48x = 28,534,390,633.89
  5. Step 5: Solve for x
    x = 28,534,390,633.89/190,321.48
  6. Step 6: Final answer
    x = 149,927.33

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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.