Home / 328,921.76-453,923.80-185,707.28

Finding the Fourth Proportional to 328,921.76, 453,923.80 and 185,707.28

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Solution

The fourth proportional to 328,921.76, 453,923.80 and 185,707.28 is: 256,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,921.76 : 453,923.80 = 185,707.28 : x
  2. Step 2: Convert to fraction form
    328,921.76/453,923.80 = 185,707.28/x
  3. Step 3: Cross multiply
    328,921.76x = 453,923.80 × 185,707.28
  4. Step 4: Simplify right side
    328,921.76x = 84,296,954,225.26
  5. Step 5: Solve for x
    x = 84,296,954,225.26/328,921.76
  6. Step 6: Final answer
    x = 256,282.69

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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.