Home / 328,780.81-453,717.62-185,571.19

Finding the Fourth Proportional to 328,780.81, 453,717.62 and 185,571.19

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Solution

The fourth proportional to 328,780.81, 453,717.62 and 185,571.19 is: 256,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,780.81 : 453,717.62 = 185,571.19 : x
  2. Step 2: Convert to fraction form
    328,780.81/453,717.62 = 185,571.19/x
  3. Step 3: Cross multiply
    328,780.81x = 453,717.62 × 185,571.19
  4. Step 4: Simplify right side
    328,780.81x = 84,196,918,667.37
  5. Step 5: Solve for x
    x = 84,196,918,667.37/328,780.81
  6. Step 6: Final answer
    x = 256,088.30

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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.