Home / 142,695.92-197,052.74-106,823.65

Finding the Fourth Proportional to 142,695.92, 197,052.74 and 106,823.65

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Solution

The fourth proportional to 142,695.92, 197,052.74 and 106,823.65 is: 147,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,695.92 : 197,052.74 = 106,823.65 : x
  2. Step 2: Convert to fraction form
    142,695.92/197,052.74 = 106,823.65/x
  3. Step 3: Cross multiply
    142,695.92x = 197,052.74 × 106,823.65
  4. Step 4: Simplify right side
    142,695.92x = 21,049,893,527.27
  5. Step 5: Solve for x
    x = 21,049,893,527.27/142,695.92
  6. Step 6: Final answer
    x = 147,515.74

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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.