Home / 189,201.36-261,092.88-104,316.24

Finding the Fourth Proportional to 189,201.36, 261,092.88 and 104,316.24

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Solution

The fourth proportional to 189,201.36, 261,092.88 and 104,316.24 is: 143,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,201.36 : 261,092.88 = 104,316.24 : x
  2. Step 2: Convert to fraction form
    189,201.36/261,092.88 = 104,316.24/x
  3. Step 3: Cross multiply
    189,201.36x = 261,092.88 × 104,316.24
  4. Step 4: Simplify right side
    189,201.36x = 27,236,227,532.37
  5. Step 5: Solve for x
    x = 27,236,227,532.37/189,201.36
  6. Step 6: Final answer
    x = 143,953.66

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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.