Home / 189,663.20-261,740.51-104,785.73

Finding the Fourth Proportional to 189,663.20, 261,740.51 and 104,785.73

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Solution

The fourth proportional to 189,663.20, 261,740.51 and 104,785.73 is: 144,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,663.20 : 261,740.51 = 104,785.73 : x
  2. Step 2: Convert to fraction form
    189,663.20/261,740.51 = 104,785.73/x
  3. Step 3: Cross multiply
    189,663.20x = 261,740.51 × 104,785.73
  4. Step 4: Simplify right side
    189,663.20x = 27,426,670,410.92
  5. Step 5: Solve for x
    x = 27,426,670,410.92/189,663.20
  6. Step 6: Final answer
    x = 144,607.23

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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.