Home / 181,972.40-273,007.20-162,386.60

Finding the Fourth Proportional to 181,972.40, 273,007.20 and 162,386.60

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Solution

The fourth proportional to 181,972.40, 273,007.20 and 162,386.60 is: 243,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,972.40 : 273,007.20 = 162,386.60 : x
  2. Step 2: Convert to fraction form
    181,972.40/273,007.20 = 162,386.60/x
  3. Step 3: Cross multiply
    181,972.40x = 273,007.20 × 162,386.60
  4. Step 4: Simplify right side
    181,972.40x = 44,332,710,983.52
  5. Step 5: Solve for x
    x = 44,332,710,983.52/181,972.40
  6. Step 6: Final answer
    x = 243,623.27

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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.