Home / 255,218.82-382,406.96-148,302.64

Finding the Fourth Proportional to 255,218.82, 382,406.96 and 148,302.64

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Solution

The fourth proportional to 255,218.82, 382,406.96 and 148,302.64 is: 222,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,218.82 : 382,406.96 = 148,302.64 : x
  2. Step 2: Convert to fraction form
    255,218.82/382,406.96 = 148,302.64/x
  3. Step 3: Cross multiply
    255,218.82x = 382,406.96 × 148,302.64
  4. Step 4: Simplify right side
    255,218.82x = 56,711,961,722.37
  5. Step 5: Solve for x
    x = 56,711,961,722.37/255,218.82
  6. Step 6: Final answer
    x = 222,209.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.