Home / 190,700.81-263,157.96-114,223.15

Finding the Fourth Proportional to 190,700.81, 263,157.96 and 114,223.15

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Solution

The fourth proportional to 190,700.81, 263,157.96 and 114,223.15 is: 157,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,700.81 : 263,157.96 = 114,223.15 : x
  2. Step 2: Convert to fraction form
    190,700.81/263,157.96 = 114,223.15/x
  3. Step 3: Cross multiply
    190,700.81x = 263,157.96 × 114,223.15
  4. Step 4: Simplify right side
    190,700.81x = 30,058,730,415.79
  5. Step 5: Solve for x
    x = 30,058,730,415.79/190,700.81
  6. Step 6: Final answer
    x = 157,622.45

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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.