Home / 165,422.00-248,157.63-76,684.47

Finding the Fourth Proportional to 165,422.00, 248,157.63 and 76,684.47

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Solution

The fourth proportional to 165,422.00, 248,157.63 and 76,684.47 is: 115,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,422.00 : 248,157.63 = 76,684.47 : x
  2. Step 2: Convert to fraction form
    165,422.00/248,157.63 = 76,684.47/x
  3. Step 3: Cross multiply
    165,422.00x = 248,157.63 × 76,684.47
  4. Step 4: Simplify right side
    165,422.00x = 19,029,836,333.01
  5. Step 5: Solve for x
    x = 19,029,836,333.01/165,422.00
  6. Step 6: Final answer
    x = 115,038.13

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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.