Home / 131,827.08-197,769.78-72,632.28

Finding the Fourth Proportional to 131,827.08, 197,769.78 and 72,632.28

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Solution

The fourth proportional to 131,827.08, 197,769.78 and 72,632.28 is: 108,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.08 : 197,769.78 = 72,632.28 : x
  2. Step 2: Convert to fraction form
    131,827.08/197,769.78 = 72,632.28/x
  3. Step 3: Cross multiply
    131,827.08x = 197,769.78 × 72,632.28
  4. Step 4: Simplify right side
    131,827.08x = 14,364,470,036.50
  5. Step 5: Solve for x
    x = 14,364,470,036.50/131,827.08
  6. Step 6: Final answer
    x = 108,964.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.