Home / 190,625.74-285,752.68-90,759.11

Finding the Fourth Proportional to 190,625.74, 285,752.68 and 90,759.11

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Solution

The fourth proportional to 190,625.74, 285,752.68 and 90,759.11 is: 136,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.74 : 285,752.68 = 90,759.11 : x
  2. Step 2: Convert to fraction form
    190,625.74/285,752.68 = 90,759.11/x
  3. Step 3: Cross multiply
    190,625.74x = 285,752.68 × 90,759.11
  4. Step 4: Simplify right side
    190,625.74x = 25,934,657,261.25
  5. Step 5: Solve for x
    x = 25,934,657,261.25/190,625.74
  6. Step 6: Final answer
    x = 136,050.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.