Home / 190,669.65-285,650.60-136,522.59

Finding the Fourth Proportional to 190,669.65, 285,650.60 and 136,522.59

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Solution

The fourth proportional to 190,669.65, 285,650.60 and 136,522.59 is: 204,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.65 : 285,650.60 = 136,522.59 : x
  2. Step 2: Convert to fraction form
    190,669.65/285,650.60 = 136,522.59/x
  3. Step 3: Cross multiply
    190,669.65x = 285,650.60 × 136,522.59
  4. Step 4: Simplify right side
    190,669.65x = 38,997,759,564.58
  5. Step 5: Solve for x
    x = 38,997,759,564.58/190,669.65
  6. Step 6: Final answer
    x = 204,530.51

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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.