Home / 101,028.31-151,536.96-30,907.63

Finding the Fourth Proportional to 101,028.31, 151,536.96 and 30,907.63

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Solution

The fourth proportional to 101,028.31, 151,536.96 and 30,907.63 is: 46,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,028.31 : 151,536.96 = 30,907.63 : x
  2. Step 2: Convert to fraction form
    101,028.31/151,536.96 = 30,907.63/x
  3. Step 3: Cross multiply
    101,028.31x = 151,536.96 × 30,907.63
  4. Step 4: Simplify right side
    101,028.31x = 4,683,648,291.00
  5. Step 5: Solve for x
    x = 4,683,648,291.00/101,028.31
  6. Step 6: Final answer
    x = 46,359.76

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1.5x scale

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.