Home / 140,795.64-194,303.34-80,376.12

Finding the Fourth Proportional to 140,795.64, 194,303.34 and 80,376.12

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Solution

The fourth proportional to 140,795.64, 194,303.34 and 80,376.12 is: 110,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,795.64 : 194,303.34 = 80,376.12 : x
  2. Step 2: Convert to fraction form
    140,795.64/194,303.34 = 80,376.12/x
  3. Step 3: Cross multiply
    140,795.64x = 194,303.34 × 80,376.12
  4. Step 4: Simplify right side
    140,795.64x = 15,617,348,572.24
  5. Step 5: Solve for x
    x = 15,617,348,572.24/140,795.64
  6. Step 6: Final answer
    x = 110,922.10

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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.