Home / 190,537.74-262,963.76-109,986.89

Finding the Fourth Proportional to 190,537.74, 262,963.76 and 109,986.89

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Solution

The fourth proportional to 190,537.74, 262,963.76 and 109,986.89 is: 151,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,537.74 : 262,963.76 = 109,986.89 : x
  2. Step 2: Convert to fraction form
    190,537.74/262,963.76 = 109,986.89/x
  3. Step 3: Cross multiply
    190,537.74x = 262,963.76 × 109,986.89
  4. Step 4: Simplify right side
    190,537.74x = 28,922,564,280.35
  5. Step 5: Solve for x
    x = 28,922,564,280.35/190,537.74
  6. Step 6: Final answer
    x = 151,794.41

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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.