Home / 190,472.46-262,784.22-109,920.36

Finding the Fourth Proportional to 190,472.46, 262,784.22 and 109,920.36

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Solution

The fourth proportional to 190,472.46, 262,784.22 and 109,920.36 is: 151,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,472.46 : 262,784.22 = 109,920.36 : x
  2. Step 2: Convert to fraction form
    190,472.46/262,784.22 = 109,920.36/x
  3. Step 3: Cross multiply
    190,472.46x = 262,784.22 × 109,920.36
  4. Step 4: Simplify right side
    190,472.46x = 28,885,336,064.72
  5. Step 5: Solve for x
    x = 28,885,336,064.72/190,472.46
  6. Step 6: Final answer
    x = 151,650.98

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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.