Home / 313,983.70-433,145.16-186,569.08

Finding the Fourth Proportional to 313,983.70, 433,145.16 and 186,569.08

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Solution

The fourth proportional to 313,983.70, 433,145.16 and 186,569.08 is: 257,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,983.70 : 433,145.16 = 186,569.08 : x
  2. Step 2: Convert to fraction form
    313,983.70/433,145.16 = 186,569.08/x
  3. Step 3: Cross multiply
    313,983.70x = 433,145.16 × 186,569.08
  4. Step 4: Simplify right side
    313,983.70x = 80,811,494,007.65
  5. Step 5: Solve for x
    x = 80,811,494,007.65/313,983.70
  6. Step 6: Final answer
    x = 257,374.81

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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.