Home / 203,532.12-280,690.46-127,058.31

Finding the Fourth Proportional to 203,532.12, 280,690.46 and 127,058.31

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Solution

The fourth proportional to 203,532.12, 280,690.46 and 127,058.31 is: 175,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,532.12 : 280,690.46 = 127,058.31 : x
  2. Step 2: Convert to fraction form
    203,532.12/280,690.46 = 127,058.31/x
  3. Step 3: Cross multiply
    203,532.12x = 280,690.46 × 127,058.31
  4. Step 4: Simplify right side
    203,532.12x = 35,664,054,845.43
  5. Step 5: Solve for x
    x = 35,664,054,845.43/203,532.12
  6. Step 6: Final answer
    x = 175,225.68

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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.