Home / 153,890.85-212,372.91-96,532.59

Finding the Fourth Proportional to 153,890.85, 212,372.91 and 96,532.59

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Solution

The fourth proportional to 153,890.85, 212,372.91 and 96,532.59 is: 133,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,890.85 : 212,372.91 = 96,532.59 : x
  2. Step 2: Convert to fraction form
    153,890.85/212,372.91 = 96,532.59/x
  3. Step 3: Cross multiply
    153,890.85x = 212,372.91 × 96,532.59
  4. Step 4: Simplify right side
    153,890.85x = 20,500,907,048.14
  5. Step 5: Solve for x
    x = 20,500,907,048.14/153,890.85
  6. Step 6: Final answer
    x = 133,217.19

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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.