Home / 190,885.06-263,411.11-109,214.91

Finding the Fourth Proportional to 190,885.06, 263,411.11 and 109,214.91

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Solution

The fourth proportional to 190,885.06, 263,411.11 and 109,214.91 is: 150,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,885.06 : 263,411.11 = 109,214.91 : x
  2. Step 2: Convert to fraction form
    190,885.06/263,411.11 = 109,214.91/x
  3. Step 3: Cross multiply
    190,885.06x = 263,411.11 × 109,214.91
  4. Step 4: Simplify right side
    190,885.06x = 28,768,419,683.37
  5. Step 5: Solve for x
    x = 28,768,419,683.37/190,885.06
  6. Step 6: Final answer
    x = 150,710.69

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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.