Home / 140,625.63-194,024.93-80,174.23

Finding the Fourth Proportional to 140,625.63, 194,024.93 and 80,174.23

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Solution

The fourth proportional to 140,625.63, 194,024.93 and 80,174.23 is: 110,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625.63 : 194,024.93 = 80,174.23 : x
  2. Step 2: Convert to fraction form
    140,625.63/194,024.93 = 80,174.23/x
  3. Step 3: Cross multiply
    140,625.63x = 194,024.93 × 80,174.23
  4. Step 4: Simplify right side
    140,625.63x = 15,555,798,477.62
  5. Step 5: Solve for x
    x = 15,555,798,477.62/140,625.63
  6. Step 6: Final answer
    x = 110,618.52

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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.