Home / 147,802.14-203,967.75-80,734.14

Finding the Fourth Proportional to 147,802.14, 203,967.75 and 80,734.14

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Solution

The fourth proportional to 147,802.14, 203,967.75 and 80,734.14 is: 111,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,802.14 : 203,967.75 = 80,734.14 : x
  2. Step 2: Convert to fraction form
    147,802.14/203,967.75 = 80,734.14/x
  3. Step 3: Cross multiply
    147,802.14x = 203,967.75 × 80,734.14
  4. Step 4: Simplify right side
    147,802.14x = 16,467,160,883.99
  5. Step 5: Solve for x
    x = 16,467,160,883.99/147,802.14
  6. Step 6: Final answer
    x = 111,413.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.