Home / 347,931.07-480,136.73-204,700.32

Finding the Fourth Proportional to 347,931.07, 480,136.73 and 204,700.32

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Solution

The fourth proportional to 347,931.07, 480,136.73 and 204,700.32 is: 282,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,931.07 : 480,136.73 = 204,700.32 : x
  2. Step 2: Convert to fraction form
    347,931.07/480,136.73 = 204,700.32/x
  3. Step 3: Cross multiply
    347,931.07x = 480,136.73 × 204,700.32
  4. Step 4: Simplify right side
    347,931.07x = 98,284,141,251.25
  5. Step 5: Solve for x
    x = 98,284,141,251.25/347,931.07
  6. Step 6: Final answer
    x = 282,481.65

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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.