Home / 190,538.70-263,444.67-166,919.10

Finding the Fourth Proportional to 190,538.70, 263,444.67 and 166,919.10

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Solution

The fourth proportional to 190,538.70, 263,444.67 and 166,919.10 is: 230,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,538.70 : 263,444.67 = 166,919.10 : x
  2. Step 2: Convert to fraction form
    190,538.70/263,444.67 = 166,919.10/x
  3. Step 3: Cross multiply
    190,538.70x = 263,444.67 × 166,919.10
  4. Step 4: Simplify right side
    190,538.70x = 43,973,947,216.20
  5. Step 5: Solve for x
    x = 43,973,947,216.20/190,538.70
  6. Step 6: Final answer
    x = 230,787.48

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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.