Home / 281,918.93-388,671.75-223,967.94

Finding the Fourth Proportional to 281,918.93, 388,671.75 and 223,967.94

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Solution

The fourth proportional to 281,918.93, 388,671.75 and 223,967.94 is: 308,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,918.93 : 388,671.75 = 223,967.94 : x
  2. Step 2: Convert to fraction form
    281,918.93/388,671.75 = 223,967.94/x
  3. Step 3: Cross multiply
    281,918.93x = 388,671.75 × 223,967.94
  4. Step 4: Simplify right side
    281,918.93x = 87,050,009,726.18
  5. Step 5: Solve for x
    x = 87,050,009,726.18/281,918.93
  6. Step 6: Final answer
    x = 308,776.74

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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.