Home / 153,985.37-231,388.11-82,962.54

Finding the Fourth Proportional to 153,985.37, 231,388.11 and 82,962.54

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Solution

The fourth proportional to 153,985.37, 231,388.11 and 82,962.54 is: 124,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,985.37 : 231,388.11 = 82,962.54 : x
  2. Step 2: Convert to fraction form
    153,985.37/231,388.11 = 82,962.54/x
  3. Step 3: Cross multiply
    153,985.37x = 231,388.11 × 82,962.54
  4. Step 4: Simplify right side
    153,985.37x = 19,196,545,331.40
  5. Step 5: Solve for x
    x = 19,196,545,331.40/153,985.37
  6. Step 6: Final answer
    x = 124,664.74

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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.