Home / 558,321.12-837,486.72-158,961.60

Finding the Fourth Proportional to 558,321.12, 837,486.72 and 158,961.60

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Solution

The fourth proportional to 558,321.12, 837,486.72 and 158,961.60 is: 238,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,321.12 : 837,486.72 = 158,961.60 : x
  2. Step 2: Convert to fraction form
    558,321.12/837,486.72 = 158,961.60/x
  3. Step 3: Cross multiply
    558,321.12x = 837,486.72 × 158,961.60
  4. Step 4: Simplify right side
    558,321.12x = 133,128,228,989.95
  5. Step 5: Solve for x
    x = 133,128,228,989.95/558,321.12
  6. Step 6: Final answer
    x = 238,443.83

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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.