Home / 140,093.18-193,334.01-79,669.34

Finding the Fourth Proportional to 140,093.18, 193,334.01 and 79,669.34

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Solution

The fourth proportional to 140,093.18, 193,334.01 and 79,669.34 is: 109,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093.18 : 193,334.01 = 79,669.34 : x
  2. Step 2: Convert to fraction form
    140,093.18/193,334.01 = 79,669.34/x
  3. Step 3: Cross multiply
    140,093.18x = 193,334.01 × 79,669.34
  4. Step 4: Simplify right side
    140,093.18x = 15,402,792,976.25
  5. Step 5: Solve for x
    x = 15,402,792,976.25/140,093.18
  6. Step 6: Final answer
    x = 109,946.77

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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.