Home / 193,254.12-289,964.64-104,570.12

Finding the Fourth Proportional to 193,254.12, 289,964.64 and 104,570.12

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Solution

The fourth proportional to 193,254.12, 289,964.64 and 104,570.12 is: 156,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,254.12 : 289,964.64 = 104,570.12 : x
  2. Step 2: Convert to fraction form
    193,254.12/289,964.64 = 104,570.12/x
  3. Step 3: Cross multiply
    193,254.12x = 289,964.64 × 104,570.12
  4. Step 4: Simplify right side
    193,254.12x = 30,321,637,200.56
  5. Step 5: Solve for x
    x = 30,321,637,200.56/193,254.12
  6. Step 6: Final answer
    x = 156,900.34

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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.