Home / 189,440.22-261,426.25-104,557.29

Finding the Fourth Proportional to 189,440.22, 261,426.25 and 104,557.29

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Solution

The fourth proportional to 189,440.22, 261,426.25 and 104,557.29 is: 144,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,440.22 : 261,426.25 = 104,557.29 : x
  2. Step 2: Convert to fraction form
    189,440.22/261,426.25 = 104,557.29/x
  3. Step 3: Cross multiply
    189,440.22x = 261,426.25 × 104,557.29
  4. Step 4: Simplify right side
    189,440.22x = 27,334,020,234.86
  5. Step 5: Solve for x
    x = 27,334,020,234.86/189,440.22
  6. Step 6: Final answer
    x = 144,288.37

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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.