Home / 373,005.07-559,616.78-120,280.48

Finding the Fourth Proportional to 373,005.07, 559,616.78 and 120,280.48

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Solution

The fourth proportional to 373,005.07, 559,616.78 and 120,280.48 is: 180,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,005.07 : 559,616.78 = 120,280.48 : x
  2. Step 2: Convert to fraction form
    373,005.07/559,616.78 = 120,280.48/x
  3. Step 3: Cross multiply
    373,005.07x = 559,616.78 × 120,280.48
  4. Step 4: Simplify right side
    373,005.07x = 67,310,974,914.45
  5. Step 5: Solve for x
    x = 67,310,974,914.45/373,005.07
  6. Step 6: Final answer
    x = 180,455.92

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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.