Home / 268,631.59-370,712.44-147,782.06

Finding the Fourth Proportional to 268,631.59, 370,712.44 and 147,782.06

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Solution

The fourth proportional to 268,631.59, 370,712.44 and 147,782.06 is: 203,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,631.59 : 370,712.44 = 147,782.06 : x
  2. Step 2: Convert to fraction form
    268,631.59/370,712.44 = 147,782.06/x
  3. Step 3: Cross multiply
    268,631.59x = 370,712.44 × 147,782.06
  4. Step 4: Simplify right side
    268,631.59x = 54,784,648,050.83
  5. Step 5: Solve for x
    x = 54,784,648,050.83/268,631.59
  6. Step 6: Final answer
    x = 203,939.71

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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.