Home / 253,823.40-380,735.10-175,026.60

Finding the Fourth Proportional to 253,823.40, 380,735.10 and 175,026.60

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Solution

The fourth proportional to 253,823.40, 380,735.10 and 175,026.60 is: 262,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,823.40 : 380,735.10 = 175,026.60 : x
  2. Step 2: Convert to fraction form
    253,823.40/380,735.10 = 175,026.60/x
  3. Step 3: Cross multiply
    253,823.40x = 380,735.10 × 175,026.60
  4. Step 4: Simplify right side
    253,823.40x = 66,638,770,053.66
  5. Step 5: Solve for x
    x = 66,638,770,053.66/253,823.40
  6. Step 6: Final answer
    x = 262,539.90

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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.