Home / 190,417.03-285,631.14-83,745.65

Finding the Fourth Proportional to 190,417.03, 285,631.14 and 83,745.65

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Solution

The fourth proportional to 190,417.03, 285,631.14 and 83,745.65 is: 125,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,417.03 : 285,631.14 = 83,745.65 : x
  2. Step 2: Convert to fraction form
    190,417.03/285,631.14 = 83,745.65/x
  3. Step 3: Cross multiply
    190,417.03x = 285,631.14 × 83,745.65
  4. Step 4: Simplify right side
    190,417.03x = 23,920,364,194.39
  5. Step 5: Solve for x
    x = 23,920,364,194.39/190,417.03
  6. Step 6: Final answer
    x = 125,620.93

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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.