Home / 134,420.31-201,489.80-50,146.56

Finding the Fourth Proportional to 134,420.31, 201,489.80 and 50,146.56

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Solution

The fourth proportional to 134,420.31, 201,489.80 and 50,146.56 is: 75,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,420.31 : 201,489.80 = 50,146.56 : x
  2. Step 2: Convert to fraction form
    134,420.31/201,489.80 = 50,146.56/x
  3. Step 3: Cross multiply
    134,420.31x = 201,489.80 × 50,146.56
  4. Step 4: Simplify right side
    134,420.31x = 10,104,020,094.36
  5. Step 5: Solve for x
    x = 10,104,020,094.36/134,420.31
  6. Step 6: Final answer
    x = 75,167.36

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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.