Home / 313,870.14-433,174.66-177,889.49

Finding the Fourth Proportional to 313,870.14, 433,174.66 and 177,889.49

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Solution

The fourth proportional to 313,870.14, 433,174.66 and 177,889.49 is: 245,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,870.14 : 433,174.66 = 177,889.49 : x
  2. Step 2: Convert to fraction form
    313,870.14/433,174.66 = 177,889.49/x
  3. Step 3: Cross multiply
    313,870.14x = 433,174.66 × 177,889.49
  4. Step 4: Simplify right side
    313,870.14x = 77,057,218,028.59
  5. Step 5: Solve for x
    x = 77,057,218,028.59/313,870.14
  6. Step 6: Final answer
    x = 245,506.69

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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.