Home / 114,601.21-158,094.78-68,638.63

Finding the Fourth Proportional to 114,601.21, 158,094.78 and 68,638.63

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Solution

The fourth proportional to 114,601.21, 158,094.78 and 68,638.63 is: 94,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,601.21 : 158,094.78 = 68,638.63 : x
  2. Step 2: Convert to fraction form
    114,601.21/158,094.78 = 68,638.63/x
  3. Step 3: Cross multiply
    114,601.21x = 158,094.78 × 68,638.63
  4. Step 4: Simplify right side
    114,601.21x = 10,851,409,109.35
  5. Step 5: Solve for x
    x = 10,851,409,109.35/114,601.21
  6. Step 6: Final answer
    x = 94,688.43

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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.