Home / 189,201.30-261,085.89-104,319.06

Finding the Fourth Proportional to 189,201.30, 261,085.89 and 104,319.06

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Solution

The fourth proportional to 189,201.30, 261,085.89 and 104,319.06 is: 143,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,201.30 : 261,085.89 = 104,319.06 : x
  2. Step 2: Convert to fraction form
    189,201.30/261,085.89 = 104,319.06/x
  3. Step 3: Cross multiply
    189,201.30x = 261,085.89 × 104,319.06
  4. Step 4: Simplify right side
    189,201.30x = 27,236,234,624.06
  5. Step 5: Solve for x
    x = 27,236,234,624.06/189,201.30
  6. Step 6: Final answer
    x = 143,953.74

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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.