Home / 190,586.84-262,794.40-121,584.24

Finding the Fourth Proportional to 190,586.84, 262,794.40 and 121,584.24

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Solution

The fourth proportional to 190,586.84, 262,794.40 and 121,584.24 is: 167,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,586.84 : 262,794.40 = 121,584.24 : x
  2. Step 2: Convert to fraction form
    190,586.84/262,794.40 = 121,584.24/x
  3. Step 3: Cross multiply
    190,586.84x = 262,794.40 × 121,584.24
  4. Step 4: Simplify right side
    190,586.84x = 31,951,657,400.26
  5. Step 5: Solve for x
    x = 31,951,657,400.26/190,586.84
  6. Step 6: Final answer
    x = 167,648.81

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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.