Home / 240,555.75-331,584.51-189,487.59

Finding the Fourth Proportional to 240,555.75, 331,584.51 and 189,487.59

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Solution

The fourth proportional to 240,555.75, 331,584.51 and 189,487.59 is: 261,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,555.75 : 331,584.51 = 189,487.59 : x
  2. Step 2: Convert to fraction form
    240,555.75/331,584.51 = 189,487.59/x
  3. Step 3: Cross multiply
    240,555.75x = 331,584.51 × 189,487.59
  4. Step 4: Simplify right side
    240,555.75x = 62,831,149,681.23
  5. Step 5: Solve for x
    x = 62,831,149,681.23/240,555.75
  6. Step 6: Final answer
    x = 261,191.64

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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.