Home / 190,535.88-262,920.56-109,989.35

Finding the Fourth Proportional to 190,535.88, 262,920.56 and 109,989.35

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Solution

The fourth proportional to 190,535.88, 262,920.56 and 109,989.35 is: 151,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,535.88 : 262,920.56 = 109,989.35 : x
  2. Step 2: Convert to fraction form
    190,535.88/262,920.56 = 109,989.35/x
  3. Step 3: Cross multiply
    190,535.88x = 262,920.56 × 109,989.35
  4. Step 4: Simplify right side
    190,535.88x = 28,918,461,496.04
  5. Step 5: Solve for x
    x = 28,918,461,496.04/190,535.88
  6. Step 6: Final answer
    x = 151,774.36

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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.