Home / 189,193.66-261,089.02-104,313.76

Finding the Fourth Proportional to 189,193.66, 261,089.02 and 104,313.76

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Solution

The fourth proportional to 189,193.66, 261,089.02 and 104,313.76 is: 143,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,193.66 : 261,089.02 = 104,313.76 : x
  2. Step 2: Convert to fraction form
    189,193.66/261,089.02 = 104,313.76/x
  3. Step 3: Cross multiply
    189,193.66x = 261,089.02 × 104,313.76
  4. Step 4: Simplify right side
    189,193.66x = 27,235,177,370.92
  5. Step 5: Solve for x
    x = 27,235,177,370.92/189,193.66
  6. Step 6: Final answer
    x = 143,953.96

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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.