Home / 140,703.63-194,172.24-83,346.21

Finding the Fourth Proportional to 140,703.63, 194,172.24 and 83,346.21

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Solution

The fourth proportional to 140,703.63, 194,172.24 and 83,346.21 is: 115,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703.63 : 194,172.24 = 83,346.21 : x
  2. Step 2: Convert to fraction form
    140,703.63/194,172.24 = 83,346.21/x
  3. Step 3: Cross multiply
    140,703.63x = 194,172.24 × 83,346.21
  4. Step 4: Simplify right side
    140,703.63x = 16,183,521,331.90
  5. Step 5: Solve for x
    x = 16,183,521,331.90/140,703.63
  6. Step 6: Final answer
    x = 115,018.51

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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.