Home / 189,199.36-261,090.12-104,314.24

Finding the Fourth Proportional to 189,199.36, 261,090.12 and 104,314.24

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Solution

The fourth proportional to 189,199.36, 261,090.12 and 104,314.24 is: 143,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,199.36 : 261,090.12 = 104,314.24 : x
  2. Step 2: Convert to fraction form
    189,199.36/261,090.12 = 104,314.24/x
  3. Step 3: Cross multiply
    189,199.36x = 261,090.12 × 104,314.24
  4. Step 4: Simplify right side
    189,199.36x = 27,235,417,439.31
  5. Step 5: Solve for x
    x = 27,235,417,439.31/189,199.36
  6. Step 6: Final answer
    x = 143,950.90

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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.