Home / 263,510.28-363,643.77-142,651.53

Finding the Fourth Proportional to 263,510.28, 363,643.77 and 142,651.53

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Solution

The fourth proportional to 263,510.28, 363,643.77 and 142,651.53 is: 196,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,510.28 : 363,643.77 = 142,651.53 : x
  2. Step 2: Convert to fraction form
    263,510.28/363,643.77 = 142,651.53/x
  3. Step 3: Cross multiply
    263,510.28x = 363,643.77 × 142,651.53
  4. Step 4: Simplify right side
    263,510.28x = 51,874,342,064.08
  5. Step 5: Solve for x
    x = 51,874,342,064.08/263,510.28
  6. Step 6: Final answer
    x = 196,858.89

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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.