Home / 329,768.14-494,688.09-105,075.76

Finding the Fourth Proportional to 329,768.14, 494,688.09 and 105,075.76

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Solution

The fourth proportional to 329,768.14, 494,688.09 and 105,075.76 is: 157,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,768.14 : 494,688.09 = 105,075.76 : x
  2. Step 2: Convert to fraction form
    329,768.14/494,688.09 = 105,075.76/x
  3. Step 3: Cross multiply
    329,768.14x = 494,688.09 × 105,075.76
  4. Step 4: Simplify right side
    329,768.14x = 51,979,727,019.70
  5. Step 5: Solve for x
    x = 51,979,727,019.70/329,768.14
  6. Step 6: Final answer
    x = 157,625.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.