Home / 268,548.23-370,589.16-147,689.52

Finding the Fourth Proportional to 268,548.23, 370,589.16 and 147,689.52

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Solution

The fourth proportional to 268,548.23, 370,589.16 and 147,689.52 is: 203,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,548.23 : 370,589.16 = 147,689.52 : x
  2. Step 2: Convert to fraction form
    268,548.23/370,589.16 = 147,689.52/x
  3. Step 3: Cross multiply
    268,548.23x = 370,589.16 × 147,689.52
  4. Step 4: Simplify right side
    268,548.23x = 54,732,135,157.60
  5. Step 5: Solve for x
    x = 54,732,135,157.60/268,548.23
  6. Step 6: Final answer
    x = 203,807.47

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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.