Home / 147,571.49-203,623.22-83,031.77

Finding the Fourth Proportional to 147,571.49, 203,623.22 and 83,031.77

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Solution

The fourth proportional to 147,571.49, 203,623.22 and 83,031.77 is: 114,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,571.49 : 203,623.22 = 83,031.77 : x
  2. Step 2: Convert to fraction form
    147,571.49/203,623.22 = 83,031.77/x
  3. Step 3: Cross multiply
    147,571.49x = 203,623.22 × 83,031.77
  4. Step 4: Simplify right side
    147,571.49x = 16,907,195,559.16
  5. Step 5: Solve for x
    x = 16,907,195,559.16/147,571.49
  6. Step 6: Final answer
    x = 114,569.53

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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.