Home / 268,546.23-370,586.40-147,687.51

Finding the Fourth Proportional to 268,546.23, 370,586.40 and 147,687.51

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Solution

The fourth proportional to 268,546.23, 370,586.40 and 147,687.51 is: 203,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,546.23 : 370,586.40 = 147,687.51 : x
  2. Step 2: Convert to fraction form
    268,546.23/370,586.40 = 147,687.51/x
  3. Step 3: Cross multiply
    268,546.23x = 370,586.40 × 147,687.51
  4. Step 4: Simplify right side
    268,546.23x = 54,730,982,655.86
  5. Step 5: Solve for x
    x = 54,730,982,655.86/268,546.23
  6. Step 6: Final answer
    x = 203,804.70

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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.