Home / 190,656.90-262,997.19-118,912.38

Finding the Fourth Proportional to 190,656.90, 262,997.19 and 118,912.38

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Solution

The fourth proportional to 190,656.90, 262,997.19 and 118,912.38 is: 164,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656.90 : 262,997.19 = 118,912.38 : x
  2. Step 2: Convert to fraction form
    190,656.90/262,997.19 = 118,912.38/x
  3. Step 3: Cross multiply
    190,656.90x = 262,997.19 × 118,912.38
  4. Step 4: Simplify right side
    190,656.90x = 31,273,621,796.21
  5. Step 5: Solve for x
    x = 31,273,621,796.21/190,656.90
  6. Step 6: Final answer
    x = 164,030.89

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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.