Home / 388,119.38-582,145.71-236,277.04

Finding the Fourth Proportional to 388,119.38, 582,145.71 and 236,277.04

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Solution

The fourth proportional to 388,119.38, 582,145.71 and 236,277.04 is: 354,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,119.38 : 582,145.71 = 236,277.04 : x
  2. Step 2: Convert to fraction form
    388,119.38/582,145.71 = 236,277.04/x
  3. Step 3: Cross multiply
    388,119.38x = 582,145.71 × 236,277.04
  4. Step 4: Simplify right side
    388,119.38x = 137,547,665,935.18
  5. Step 5: Solve for x
    x = 137,547,665,935.18/388,119.38
  6. Step 6: Final answer
    x = 354,395.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.