Home / 282,271.10-389,519.61-167,554.58

Finding the Fourth Proportional to 282,271.10, 389,519.61 and 167,554.58

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Solution

The fourth proportional to 282,271.10, 389,519.61 and 167,554.58 is: 231,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,271.10 : 389,519.61 = 167,554.58 : x
  2. Step 2: Convert to fraction form
    282,271.10/389,519.61 = 167,554.58/x
  3. Step 3: Cross multiply
    282,271.10x = 389,519.61 × 167,554.58
  4. Step 4: Simplify right side
    282,271.10x = 65,265,794,655.31
  5. Step 5: Solve for x
    x = 65,265,794,655.31/282,271.10
  6. Step 6: Final answer
    x = 231,216.71

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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.