Home / 263,504.34-363,633.84-142,643.16

Finding the Fourth Proportional to 263,504.34, 363,633.84 and 142,643.16

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Solution

The fourth proportional to 263,504.34, 363,633.84 and 142,643.16 is: 196,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,504.34 : 363,633.84 = 142,643.16 : x
  2. Step 2: Convert to fraction form
    263,504.34/363,633.84 = 142,643.16/x
  3. Step 3: Cross multiply
    263,504.34x = 363,633.84 × 142,643.16
  4. Step 4: Simplify right side
    263,504.34x = 51,869,880,020.53
  5. Step 5: Solve for x
    x = 51,869,880,020.53/263,504.34
  6. Step 6: Final answer
    x = 196,846.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.