Home / 111,205.36-166,648.32-63,212.11

Finding the Fourth Proportional to 111,205.36, 166,648.32 and 63,212.11

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Solution

The fourth proportional to 111,205.36, 166,648.32 and 63,212.11 is: 94,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,205.36 : 166,648.32 = 63,212.11 : x
  2. Step 2: Convert to fraction form
    111,205.36/166,648.32 = 63,212.11/x
  3. Step 3: Cross multiply
    111,205.36x = 166,648.32 × 63,212.11
  4. Step 4: Simplify right side
    111,205.36x = 10,534,191,935.16
  5. Step 5: Solve for x
    x = 10,534,191,935.16/111,205.36
  6. Step 6: Final answer
    x = 94,727.38

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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.