Home / 222,539.88-307,103.76-120,567.35

Finding the Fourth Proportional to 222,539.88, 307,103.76 and 120,567.35

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Solution

The fourth proportional to 222,539.88, 307,103.76 and 120,567.35 is: 166,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,539.88 : 307,103.76 = 120,567.35 : x
  2. Step 2: Convert to fraction form
    222,539.88/307,103.76 = 120,567.35/x
  3. Step 3: Cross multiply
    222,539.88x = 307,103.76 × 120,567.35
  4. Step 4: Simplify right side
    222,539.88x = 37,026,686,518.24
  5. Step 5: Solve for x
    x = 37,026,686,518.24/222,539.88
  6. Step 6: Final answer
    x = 166,382.25

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1.5x scale

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.