Home / 185,102.55-277,618.59-90,237.51

Finding the Fourth Proportional to 185,102.55, 277,618.59 and 90,237.51

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Solution

The fourth proportional to 185,102.55, 277,618.59 and 90,237.51 is: 135,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,102.55 : 277,618.59 = 90,237.51 : x
  2. Step 2: Convert to fraction form
    185,102.55/277,618.59 = 90,237.51/x
  3. Step 3: Cross multiply
    185,102.55x = 277,618.59 × 90,237.51
  4. Step 4: Simplify right side
    185,102.55x = 25,051,610,291.31
  5. Step 5: Solve for x
    x = 25,051,610,291.31/185,102.55
  6. Step 6: Final answer
    x = 135,339.09

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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.