Home / 189,844.48-262,037.36-118,181.92

Finding the Fourth Proportional to 189,844.48, 262,037.36 and 118,181.92

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Solution

The fourth proportional to 189,844.48, 262,037.36 and 118,181.92 is: 163,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,844.48 : 262,037.36 = 118,181.92 : x
  2. Step 2: Convert to fraction form
    189,844.48/262,037.36 = 118,181.92/x
  3. Step 3: Cross multiply
    189,844.48x = 262,037.36 × 118,181.92
  4. Step 4: Simplify right side
    189,844.48x = 30,968,078,316.53
  5. Step 5: Solve for x
    x = 30,968,078,316.53/189,844.48
  6. Step 6: Final answer
    x = 163,123.41

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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.