Home / 294,656.80-442,017.84-105,161.36

Finding the Fourth Proportional to 294,656.80, 442,017.84 and 105,161.36

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Solution

The fourth proportional to 294,656.80, 442,017.84 and 105,161.36 is: 157,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,656.80 : 442,017.84 = 105,161.36 : x
  2. Step 2: Convert to fraction form
    294,656.80/442,017.84 = 105,161.36/x
  3. Step 3: Cross multiply
    294,656.80x = 442,017.84 × 105,161.36
  4. Step 4: Simplify right side
    294,656.80x = 46,483,197,198.66
  5. Step 5: Solve for x
    x = 46,483,197,198.66/294,656.80
  6. Step 6: Final answer
    x = 157,753.69

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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.