Home / 263,289.83-363,338.86-142,430.82

Finding the Fourth Proportional to 263,289.83, 363,338.86 and 142,430.82

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Solution

The fourth proportional to 263,289.83, 363,338.86 and 142,430.82 is: 196,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,289.83 : 363,338.86 = 142,430.82 : x
  2. Step 2: Convert to fraction form
    263,289.83/363,338.86 = 142,430.82/x
  3. Step 3: Cross multiply
    263,289.83x = 363,338.86 × 142,430.82
  4. Step 4: Simplify right side
    263,289.83x = 51,750,649,950.97
  5. Step 5: Solve for x
    x = 51,750,649,950.97/263,289.83
  6. Step 6: Final answer
    x = 196,553.93

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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.