Home / 190,418.03-285,632.64-83,746.65

Finding the Fourth Proportional to 190,418.03, 285,632.64 and 83,746.65

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Solution

The fourth proportional to 190,418.03, 285,632.64 and 83,746.65 is: 125,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,418.03 : 285,632.64 = 83,746.65 : x
  2. Step 2: Convert to fraction form
    190,418.03/285,632.64 = 83,746.65/x
  3. Step 3: Cross multiply
    190,418.03x = 285,632.64 × 83,746.65
  4. Step 4: Simplify right side
    190,418.03x = 23,920,776,730.66
  5. Step 5: Solve for x
    x = 23,920,776,730.66/190,418.03
  6. Step 6: Final answer
    x = 125,622.44

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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.