Home / 196,386.36-271,015.08-111,505.32

Finding the Fourth Proportional to 196,386.36, 271,015.08 and 111,505.32

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Solution

The fourth proportional to 196,386.36, 271,015.08 and 111,505.32 is: 153,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,386.36 : 271,015.08 = 111,505.32 : x
  2. Step 2: Convert to fraction form
    196,386.36/271,015.08 = 111,505.32/x
  3. Step 3: Cross multiply
    196,386.36x = 271,015.08 × 111,505.32
  4. Step 4: Simplify right side
    196,386.36x = 30,219,623,220.23
  5. Step 5: Solve for x
    x = 30,219,623,220.23/196,386.36
  6. Step 6: Final answer
    x = 153,878.42

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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.