Home / 190,146.66-262,430.07-109,558.62

Finding the Fourth Proportional to 190,146.66, 262,430.07 and 109,558.62

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Solution

The fourth proportional to 190,146.66, 262,430.07 and 109,558.62 is: 151,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,146.66 : 262,430.07 = 109,558.62 : x
  2. Step 2: Convert to fraction form
    190,146.66/262,430.07 = 109,558.62/x
  3. Step 3: Cross multiply
    190,146.66x = 262,430.07 × 109,558.62
  4. Step 4: Simplify right side
    190,146.66x = 28,751,476,315.70
  5. Step 5: Solve for x
    x = 28,751,476,315.70/190,146.66
  6. Step 6: Final answer
    x = 151,206.84

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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.