Home / 263,364.76-363,448.05-148,666.33

Finding the Fourth Proportional to 263,364.76, 363,448.05 and 148,666.33

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Solution

The fourth proportional to 263,364.76, 363,448.05 and 148,666.33 is: 205,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,364.76 : 363,448.05 = 148,666.33 : x
  2. Step 2: Convert to fraction form
    263,364.76/363,448.05 = 148,666.33/x
  3. Step 3: Cross multiply
    263,364.76x = 363,448.05 × 148,666.33
  4. Step 4: Simplify right side
    263,364.76x = 54,032,485,921.92
  5. Step 5: Solve for x
    x = 54,032,485,921.92/263,364.76
  6. Step 6: Final answer
    x = 205,162.17

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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.