Home / 153,899.48-212,469.62-117,313.70

Finding the Fourth Proportional to 153,899.48, 212,469.62 and 117,313.70

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Solution

The fourth proportional to 153,899.48, 212,469.62 and 117,313.70 is: 161,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,899.48 : 212,469.62 = 117,313.70 : x
  2. Step 2: Convert to fraction form
    153,899.48/212,469.62 = 117,313.70/x
  3. Step 3: Cross multiply
    153,899.48x = 212,469.62 × 117,313.70
  4. Step 4: Simplify right side
    153,899.48x = 24,925,595,610.88
  5. Step 5: Solve for x
    x = 24,925,595,610.88/153,899.48
  6. Step 6: Final answer
    x = 161,960.23

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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.