Home / 188,664.56-260,333.46-127,543.76

Finding the Fourth Proportional to 188,664.56, 260,333.46 and 127,543.76

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Solution

The fourth proportional to 188,664.56, 260,333.46 and 127,543.76 is: 175,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,664.56 : 260,333.46 = 127,543.76 : x
  2. Step 2: Convert to fraction form
    188,664.56/260,333.46 = 127,543.76/x
  3. Step 3: Cross multiply
    188,664.56x = 260,333.46 × 127,543.76
  4. Step 4: Simplify right side
    188,664.56x = 33,203,908,342.21
  5. Step 5: Solve for x
    x = 33,203,908,342.21/188,664.56
  6. Step 6: Final answer
    x = 175,994.41

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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.