Home / 189,966.19-262,096.89-109,391.62

Finding the Fourth Proportional to 189,966.19, 262,096.89 and 109,391.62

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Solution

The fourth proportional to 189,966.19, 262,096.89 and 109,391.62 is: 150,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,966.19 : 262,096.89 = 109,391.62 : x
  2. Step 2: Convert to fraction form
    189,966.19/262,096.89 = 109,391.62/x
  3. Step 3: Cross multiply
    189,966.19x = 262,096.89 × 109,391.62
  4. Step 4: Simplify right side
    189,966.19x = 28,671,203,394.06
  5. Step 5: Solve for x
    x = 28,671,203,394.06/189,966.19
  6. Step 6: Final answer
    x = 150,927.93

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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.