Home / 140,507.04-210,754.07-51,754.53

Finding the Fourth Proportional to 140,507.04, 210,754.07 and 51,754.53

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Solution

The fourth proportional to 140,507.04, 210,754.07 and 51,754.53 is: 77,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,507.04 : 210,754.07 = 51,754.53 : x
  2. Step 2: Convert to fraction form
    140,507.04/210,754.07 = 51,754.53/x
  3. Step 3: Cross multiply
    140,507.04x = 210,754.07 × 51,754.53
  4. Step 4: Simplify right side
    140,507.04x = 10,907,477,967.82
  5. Step 5: Solve for x
    x = 10,907,477,967.82/140,507.04
  6. Step 6: Final answer
    x = 77,629.41

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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.