Home / 282,448.31-389,615.96-169,205.45

Finding the Fourth Proportional to 282,448.31, 389,615.96 and 169,205.45

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Solution

The fourth proportional to 282,448.31, 389,615.96 and 169,205.45 is: 233,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,448.31 : 389,615.96 = 169,205.45 : x
  2. Step 2: Convert to fraction form
    282,448.31/389,615.96 = 169,205.45/x
  3. Step 3: Cross multiply
    282,448.31x = 389,615.96 × 169,205.45
  4. Step 4: Simplify right side
    282,448.31x = 65,925,142,992.95
  5. Step 5: Solve for x
    x = 65,925,142,992.95/282,448.31
  6. Step 6: Final answer
    x = 233,406.05

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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.