Home / 262,740.48-394,166.07-85,233.63

Finding the Fourth Proportional to 262,740.48, 394,166.07 and 85,233.63

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Solution

The fourth proportional to 262,740.48, 394,166.07 and 85,233.63 is: 127,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,740.48 : 394,166.07 = 85,233.63 : x
  2. Step 2: Convert to fraction form
    262,740.48/394,166.07 = 85,233.63/x
  3. Step 3: Cross multiply
    262,740.48x = 394,166.07 × 85,233.63
  4. Step 4: Simplify right side
    262,740.48x = 33,596,204,968.93
  5. Step 5: Solve for x
    x = 33,596,204,968.93/262,740.48
  6. Step 6: Final answer
    x = 127,868.40

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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.