Home / 190,263.72-262,261.56-149,914.92

Finding the Fourth Proportional to 190,263.72, 262,261.56 and 149,914.92

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Solution

The fourth proportional to 190,263.72, 262,261.56 and 149,914.92 is: 206,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,263.72 : 262,261.56 = 149,914.92 : x
  2. Step 2: Convert to fraction form
    190,263.72/262,261.56 = 149,914.92/x
  3. Step 3: Cross multiply
    190,263.72x = 262,261.56 × 149,914.92
  4. Step 4: Simplify right side
    190,263.72x = 39,316,920,786.48
  5. Step 5: Solve for x
    x = 39,316,920,786.48/190,263.72
  6. Step 6: Final answer
    x = 206,644.34

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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.