Home / 190,535.79-262,920.46-109,989.27

Finding the Fourth Proportional to 190,535.79, 262,920.46 and 109,989.27

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Solution

The fourth proportional to 190,535.79, 262,920.46 and 109,989.27 is: 151,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,535.79 : 262,920.46 = 109,989.27 : x
  2. Step 2: Convert to fraction form
    190,535.79/262,920.46 = 109,989.27/x
  3. Step 3: Cross multiply
    190,535.79x = 262,920.46 × 109,989.27
  4. Step 4: Simplify right side
    190,535.79x = 28,918,428,345.91
  5. Step 5: Solve for x
    x = 28,918,428,345.91/190,535.79
  6. Step 6: Final answer
    x = 151,774.26

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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.