Home / 311,931.40-467,897.02-122,481.04

Finding the Fourth Proportional to 311,931.40, 467,897.02 and 122,481.04

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Solution

The fourth proportional to 311,931.40, 467,897.02 and 122,481.04 is: 183,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,931.40 : 467,897.02 = 122,481.04 : x
  2. Step 2: Convert to fraction form
    311,931.40/467,897.02 = 122,481.04/x
  3. Step 3: Cross multiply
    311,931.40x = 467,897.02 × 122,481.04
  4. Step 4: Simplify right side
    311,931.40x = 57,308,513,622.50
  5. Step 5: Solve for x
    x = 57,308,513,622.50/311,931.40
  6. Step 6: Final answer
    x = 183,721.53

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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.