Home / 263,515.30-363,648.09-142,653.93

Finding the Fourth Proportional to 263,515.30, 363,648.09 and 142,653.93

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Solution

The fourth proportional to 263,515.30, 363,648.09 and 142,653.93 is: 196,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,515.30 : 363,648.09 = 142,653.93 : x
  2. Step 2: Convert to fraction form
    263,515.30/363,648.09 = 142,653.93/x
  3. Step 3: Cross multiply
    263,515.30x = 363,648.09 × 142,653.93
  4. Step 4: Simplify right side
    263,515.30x = 51,875,829,175.49
  5. Step 5: Solve for x
    x = 51,875,829,175.49/263,515.30
  6. Step 6: Final answer
    x = 196,860.79

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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.