Home / 189,325.93-261,223.18-115,719.73

Finding the Fourth Proportional to 189,325.93, 261,223.18 and 115,719.73

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Solution

The fourth proportional to 189,325.93, 261,223.18 and 115,719.73 is: 159,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,325.93 : 261,223.18 = 115,719.73 : x
  2. Step 2: Convert to fraction form
    189,325.93/261,223.18 = 115,719.73/x
  3. Step 3: Cross multiply
    189,325.93x = 261,223.18 × 115,719.73
  4. Step 4: Simplify right side
    189,325.93x = 30,228,675,859.34
  5. Step 5: Solve for x
    x = 30,228,675,859.34/189,325.93
  6. Step 6: Final answer
    x = 159,664.74

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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.