Home / 328,844.64-453,784.16-185,585.20

Finding the Fourth Proportional to 328,844.64, 453,784.16 and 185,585.20

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Solution

The fourth proportional to 328,844.64, 453,784.16 and 185,585.20 is: 256,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,844.64 : 453,784.16 = 185,585.20 : x
  2. Step 2: Convert to fraction form
    328,844.64/453,784.16 = 185,585.20/x
  3. Step 3: Cross multiply
    328,844.64x = 453,784.16 × 185,585.20
  4. Step 4: Simplify right side
    328,844.64x = 84,215,624,090.43
  5. Step 5: Solve for x
    x = 84,215,624,090.43/328,844.64
  6. Step 6: Final answer
    x = 256,095.47

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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.