Home / 261,931.64-393,172.32-232,136.52

Finding the Fourth Proportional to 261,931.64, 393,172.32 and 232,136.52

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Solution

The fourth proportional to 261,931.64, 393,172.32 and 232,136.52 is: 348,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,931.64 : 393,172.32 = 232,136.52 : x
  2. Step 2: Convert to fraction form
    261,931.64/393,172.32 = 232,136.52/x
  3. Step 3: Cross multiply
    261,931.64x = 393,172.32 × 232,136.52
  4. Step 4: Simplify right side
    261,931.64x = 91,269,654,125.13
  5. Step 5: Solve for x
    x = 91,269,654,125.13/261,931.64
  6. Step 6: Final answer
    x = 348,448.37

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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.