Home / 231,973.40-347,955.06-74,201.38

Finding the Fourth Proportional to 231,973.40, 347,955.06 and 74,201.38

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Solution

The fourth proportional to 231,973.40, 347,955.06 and 74,201.38 is: 111,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,973.40 : 347,955.06 = 74,201.38 : x
  2. Step 2: Convert to fraction form
    231,973.40/347,955.06 = 74,201.38/x
  3. Step 3: Cross multiply
    231,973.40x = 347,955.06 × 74,201.38
  4. Step 4: Simplify right side
    231,973.40x = 25,818,745,629.98
  5. Step 5: Solve for x
    x = 25,818,745,629.98/231,973.40
  6. Step 6: Final answer
    x = 111,300.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.