Home / 330,133.87-455,586.65-194,173.57

Finding the Fourth Proportional to 330,133.87, 455,586.65 and 194,173.57

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Solution

The fourth proportional to 330,133.87, 455,586.65 and 194,173.57 is: 267,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,133.87 : 455,586.65 = 194,173.57 : x
  2. Step 2: Convert to fraction form
    330,133.87/455,586.65 = 194,173.57/x
  3. Step 3: Cross multiply
    330,133.87x = 455,586.65 × 194,173.57
  4. Step 4: Simplify right side
    330,133.87x = 88,462,886,274.84
  5. Step 5: Solve for x
    x = 88,462,886,274.84/330,133.87
  6. Step 6: Final answer
    x = 267,960.65

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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.