Home / 205,834.06-308,707.89-58,055.50

Finding the Fourth Proportional to 205,834.06, 308,707.89 and 58,055.50

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Solution

The fourth proportional to 205,834.06, 308,707.89 and 58,055.50 is: 87,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,834.06 : 308,707.89 = 58,055.50 : x
  2. Step 2: Convert to fraction form
    205,834.06/308,707.89 = 58,055.50/x
  3. Step 3: Cross multiply
    205,834.06x = 308,707.89 × 58,055.50
  4. Step 4: Simplify right side
    205,834.06x = 17,922,190,907.90
  5. Step 5: Solve for x
    x = 17,922,190,907.90/205,834.06
  6. Step 6: Final answer
    x = 87,071.07

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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.