Home / 222,589.08-307,279.30-127,077.32

Finding the Fourth Proportional to 222,589.08, 307,279.30 and 127,077.32

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Solution

The fourth proportional to 222,589.08, 307,279.30 and 127,077.32 is: 175,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,589.08 : 307,279.30 = 127,077.32 : x
  2. Step 2: Convert to fraction form
    222,589.08/307,279.30 = 127,077.32/x
  3. Step 3: Cross multiply
    222,589.08x = 307,279.30 × 127,077.32
  4. Step 4: Simplify right side
    222,589.08x = 39,048,229,935.48
  5. Step 5: Solve for x
    x = 39,048,229,935.48/222,589.08
  6. Step 6: Final answer
    x = 175,427.43

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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.