Home / 119,557.03-164,982.12-65,831.56

Finding the Fourth Proportional to 119,557.03, 164,982.12 and 65,831.56

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Solution

The fourth proportional to 119,557.03, 164,982.12 and 65,831.56 is: 90,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,557.03 : 164,982.12 = 65,831.56 : x
  2. Step 2: Convert to fraction form
    119,557.03/164,982.12 = 65,831.56/x
  3. Step 3: Cross multiply
    119,557.03x = 164,982.12 × 65,831.56
  4. Step 4: Simplify right side
    119,557.03x = 10,861,030,331.71
  5. Step 5: Solve for x
    x = 10,861,030,331.71/119,557.03
  6. Step 6: Final answer
    x = 90,843.93

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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.