Home / 190,698.12-263,261.40-134,361

Finding the Fourth Proportional to 190,698.12, 263,261.40 and 134,361

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Solution

The fourth proportional to 190,698.12, 263,261.40 and 134,361 is: 185,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,698.12 : 263,261.40 = 134,361 : x
  2. Step 2: Convert to fraction form
    190,698.12/263,261.40 = 134,361/x
  3. Step 3: Cross multiply
    190,698.12x = 263,261.40 × 134,361
  4. Step 4: Simplify right side
    190,698.12x = 35,372,064,965.40
  5. Step 5: Solve for x
    x = 35,372,064,965.40/190,698.12
  6. Step 6: Final answer
    x = 185,487.22

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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.