Home / 263,403.17-363,496.35-142,544.45

Finding the Fourth Proportional to 263,403.17, 363,496.35 and 142,544.45

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Solution

The fourth proportional to 263,403.17, 363,496.35 and 142,544.45 is: 196,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,403.17 : 363,496.35 = 142,544.45 : x
  2. Step 2: Convert to fraction form
    263,403.17/363,496.35 = 142,544.45/x
  3. Step 3: Cross multiply
    263,403.17x = 363,496.35 × 142,544.45
  4. Step 4: Simplify right side
    263,403.17x = 51,814,388,196.50
  5. Step 5: Solve for x
    x = 51,814,388,196.50/263,403.17
  6. Step 6: Final answer
    x = 196,711.33

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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.