Home / 111,228.16-166,857.60-37,377.28

Finding the Fourth Proportional to 111,228.16, 166,857.60 and 37,377.28

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Solution

The fourth proportional to 111,228.16, 166,857.60 and 37,377.28 is: 56,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,228.16 : 166,857.60 = 37,377.28 : x
  2. Step 2: Convert to fraction form
    111,228.16/166,857.60 = 37,377.28/x
  3. Step 3: Cross multiply
    111,228.16x = 166,857.60 × 37,377.28
  4. Step 4: Simplify right side
    111,228.16x = 6,236,683,235.33
  5. Step 5: Solve for x
    x = 6,236,683,235.33/111,228.16
  6. Step 6: Final answer
    x = 56,071.08

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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.