Home / 189,456.29-261,449.69-104,573.37

Finding the Fourth Proportional to 189,456.29, 261,449.69 and 104,573.37

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Solution

The fourth proportional to 189,456.29, 261,449.69 and 104,573.37 is: 144,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,456.29 : 261,449.69 = 104,573.37 : x
  2. Step 2: Convert to fraction form
    189,456.29/261,449.69 = 104,573.37/x
  3. Step 3: Cross multiply
    189,456.29x = 261,449.69 × 104,573.37
  4. Step 4: Simplify right side
    189,456.29x = 27,340,675,430.19
  5. Step 5: Solve for x
    x = 27,340,675,430.19/189,456.29
  6. Step 6: Final answer
    x = 144,311.26

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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.