Home / 189,195.02-261,090.89-104,315.10

Finding the Fourth Proportional to 189,195.02, 261,090.89 and 104,315.10

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Solution

The fourth proportional to 189,195.02, 261,090.89 and 104,315.10 is: 143,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,195.02 : 261,090.89 = 104,315.10 : x
  2. Step 2: Convert to fraction form
    189,195.02/261,090.89 = 104,315.10/x
  3. Step 3: Cross multiply
    189,195.02x = 261,090.89 × 104,315.10
  4. Step 4: Simplify right side
    189,195.02x = 27,235,722,299.44
  5. Step 5: Solve for x
    x = 27,235,722,299.44/189,195.02
  6. Step 6: Final answer
    x = 143,955.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.