Home / 238,902.11-358,103.28-89,077.22

Finding the Fourth Proportional to 238,902.11, 358,103.28 and 89,077.22

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Solution

The fourth proportional to 238,902.11, 358,103.28 and 89,077.22 is: 133,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,902.11 : 358,103.28 = 89,077.22 : x
  2. Step 2: Convert to fraction form
    238,902.11/358,103.28 = 89,077.22/x
  3. Step 3: Cross multiply
    238,902.11x = 358,103.28 × 89,077.22
  4. Step 4: Simplify right side
    238,902.11x = 31,898,844,040.63
  5. Step 5: Solve for x
    x = 31,898,844,040.63/238,902.11
  6. Step 6: Final answer
    x = 133,522.66

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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.