Home / 165,440.76-248,084.66-53,100.28

Finding the Fourth Proportional to 165,440.76, 248,084.66 and 53,100.28

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Solution

The fourth proportional to 165,440.76, 248,084.66 and 53,100.28 is: 79,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,440.76 : 248,084.66 = 53,100.28 : x
  2. Step 2: Convert to fraction form
    165,440.76/248,084.66 = 53,100.28/x
  3. Step 3: Cross multiply
    165,440.76x = 248,084.66 × 53,100.28
  4. Step 4: Simplify right side
    165,440.76x = 13,173,364,909.70
  5. Step 5: Solve for x
    x = 13,173,364,909.70/165,440.76
  6. Step 6: Final answer
    x = 79,625.87

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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.