Home / 222,548.58-307,145.61-127,033.38

Finding the Fourth Proportional to 222,548.58, 307,145.61 and 127,033.38

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Solution

The fourth proportional to 222,548.58, 307,145.61 and 127,033.38 is: 175,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,548.58 : 307,145.61 = 127,033.38 : x
  2. Step 2: Convert to fraction form
    222,548.58/307,145.61 = 127,033.38/x
  3. Step 3: Cross multiply
    222,548.58x = 307,145.61 × 127,033.38
  4. Step 4: Simplify right side
    222,548.58x = 39,017,744,990.46
  5. Step 5: Solve for x
    x = 39,017,744,990.46/222,548.58
  6. Step 6: Final answer
    x = 175,322.37

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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.