Home / 185,228.21-277,538.56-78,526.91

Finding the Fourth Proportional to 185,228.21, 277,538.56 and 78,526.91

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Solution

The fourth proportional to 185,228.21, 277,538.56 and 78,526.91 is: 117,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,228.21 : 277,538.56 = 78,526.91 : x
  2. Step 2: Convert to fraction form
    185,228.21/277,538.56 = 78,526.91/x
  3. Step 3: Cross multiply
    185,228.21x = 277,538.56 × 78,526.91
  4. Step 4: Simplify right side
    185,228.21x = 21,794,245,522.65
  5. Step 5: Solve for x
    x = 21,794,245,522.65/185,228.21
  6. Step 6: Final answer
    x = 117,661.59

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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.