Home / 238,058.74-357,089.28-80,288.56

Finding the Fourth Proportional to 238,058.74, 357,089.28 and 80,288.56

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Solution

The fourth proportional to 238,058.74, 357,089.28 and 80,288.56 is: 120,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,058.74 : 357,089.28 = 80,288.56 : x
  2. Step 2: Convert to fraction form
    238,058.74/357,089.28 = 80,288.56/x
  3. Step 3: Cross multiply
    238,058.74x = 357,089.28 × 80,288.56
  4. Step 4: Simplify right side
    238,058.74x = 28,670,184,082.64
  5. Step 5: Solve for x
    x = 28,670,184,082.64/238,058.74
  6. Step 6: Final answer
    x = 120,433.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.