Home / 545,623.49-818,435.34-166,546.33

Finding the Fourth Proportional to 545,623.49, 818,435.34 and 166,546.33

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Solution

The fourth proportional to 545,623.49, 818,435.34 and 166,546.33 is: 249,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,623.49 : 818,435.34 = 166,546.33 : x
  2. Step 2: Convert to fraction form
    545,623.49/818,435.34 = 166,546.33/x
  3. Step 3: Cross multiply
    545,623.49x = 818,435.34 × 166,546.33
  4. Step 4: Simplify right side
    545,623.49x = 136,307,400,173.21
  5. Step 5: Solve for x
    x = 136,307,400,173.21/545,623.49
  6. Step 6: Final answer
    x = 249,819.52

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Similar ratio
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1.5x scale

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.