Home / 268,533.32-402,799.98-127,865.48

Finding the Fourth Proportional to 268,533.32, 402,799.98 and 127,865.48

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Solution

The fourth proportional to 268,533.32, 402,799.98 and 127,865.48 is: 191,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,533.32 : 402,799.98 = 127,865.48 : x
  2. Step 2: Convert to fraction form
    268,533.32/402,799.98 = 127,865.48/x
  3. Step 3: Cross multiply
    268,533.32x = 402,799.98 × 127,865.48
  4. Step 4: Simplify right side
    268,533.32x = 51,504,214,273.19
  5. Step 5: Solve for x
    x = 51,504,214,273.19/268,533.32
  6. Step 6: Final answer
    x = 191,798.22

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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.