Home / 190,351.76-262,689.90-109,782.68

Finding the Fourth Proportional to 190,351.76, 262,689.90 and 109,782.68

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Solution

The fourth proportional to 190,351.76, 262,689.90 and 109,782.68 is: 151,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,351.76 : 262,689.90 = 109,782.68 : x
  2. Step 2: Convert to fraction form
    190,351.76/262,689.90 = 109,782.68/x
  3. Step 3: Cross multiply
    190,351.76x = 262,689.90 × 109,782.68
  4. Step 4: Simplify right side
    190,351.76x = 28,838,801,230.93
  5. Step 5: Solve for x
    x = 28,838,801,230.93/190,351.76
  6. Step 6: Final answer
    x = 151,502.68

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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.