Home / 319,573.38-440,996.49-183,511.61

Finding the Fourth Proportional to 319,573.38, 440,996.49 and 183,511.61

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Solution

The fourth proportional to 319,573.38, 440,996.49 and 183,511.61 is: 253,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,573.38 : 440,996.49 = 183,511.61 : x
  2. Step 2: Convert to fraction form
    319,573.38/440,996.49 = 183,511.61/x
  3. Step 3: Cross multiply
    319,573.38x = 440,996.49 × 183,511.61
  4. Step 4: Simplify right side
    319,573.38x = 80,927,973,679.27
  5. Step 5: Solve for x
    x = 80,927,973,679.27/319,573.38
  6. Step 6: Final answer
    x = 253,237.53

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1.5x scale

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.