Home / 261,968.80-393,014.64-104,206.24

Finding the Fourth Proportional to 261,968.80, 393,014.64 and 104,206.24

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Solution

The fourth proportional to 261,968.80, 393,014.64 and 104,206.24 is: 156,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,968.80 : 393,014.64 = 104,206.24 : x
  2. Step 2: Convert to fraction form
    261,968.80/393,014.64 = 104,206.24/x
  3. Step 3: Cross multiply
    261,968.80x = 393,014.64 × 104,206.24
  4. Step 4: Simplify right side
    261,968.80x = 40,954,577,899.35
  5. Step 5: Solve for x
    x = 40,954,577,899.35/261,968.80
  6. Step 6: Final answer
    x = 156,333.80

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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.