Home / 190,381.62-262,717.63-113,942.84

Finding the Fourth Proportional to 190,381.62, 262,717.63 and 113,942.84

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Solution

The fourth proportional to 190,381.62, 262,717.63 and 113,942.84 is: 157,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,381.62 : 262,717.63 = 113,942.84 : x
  2. Step 2: Convert to fraction form
    190,381.62/262,717.63 = 113,942.84/x
  3. Step 3: Cross multiply
    190,381.62x = 262,717.63 × 113,942.84
  4. Step 4: Simplify right side
    190,381.62x = 29,934,791,281.82
  5. Step 5: Solve for x
    x = 29,934,791,281.82/190,381.62
  6. Step 6: Final answer
    x = 157,235.72

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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.