Home / 158,140.46-218,324.06-104,580.83

Finding the Fourth Proportional to 158,140.46, 218,324.06 and 104,580.83

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Solution

The fourth proportional to 158,140.46, 218,324.06 and 104,580.83 is: 144,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,140.46 : 218,324.06 = 104,580.83 : x
  2. Step 2: Convert to fraction form
    158,140.46/218,324.06 = 104,580.83/x
  3. Step 3: Cross multiply
    158,140.46x = 218,324.06 × 104,580.83
  4. Step 4: Simplify right side
    158,140.46x = 22,832,509,789.25
  5. Step 5: Solve for x
    x = 22,832,509,789.25/158,140.46
  6. Step 6: Final answer
    x = 144,381.21

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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.