Home / 156,443.00-215,811.84-98,985.44

Finding the Fourth Proportional to 156,443.00, 215,811.84 and 98,985.44

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Solution

The fourth proportional to 156,443.00, 215,811.84 and 98,985.44 is: 136,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,443.00 : 215,811.84 = 98,985.44 : x
  2. Step 2: Convert to fraction form
    156,443.00/215,811.84 = 98,985.44/x
  3. Step 3: Cross multiply
    156,443.00x = 215,811.84 × 98,985.44
  4. Step 4: Simplify right side
    156,443.00x = 21,362,230,850.33
  5. Step 5: Solve for x
    x = 21,362,230,850.33/156,443.00
  6. Step 6: Final answer
    x = 136,549.62

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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.