Home / 353,985.64-488,498.27-192,840.30

Finding the Fourth Proportional to 353,985.64, 488,498.27 and 192,840.30

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Solution

The fourth proportional to 353,985.64, 488,498.27 and 192,840.30 is: 266,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,985.64 : 488,498.27 = 192,840.30 : x
  2. Step 2: Convert to fraction form
    353,985.64/488,498.27 = 192,840.30/x
  3. Step 3: Cross multiply
    353,985.64x = 488,498.27 × 192,840.30
  4. Step 4: Simplify right side
    353,985.64x = 94,202,151,972.08
  5. Step 5: Solve for x
    x = 94,202,151,972.08/353,985.64
  6. Step 6: Final answer
    x = 266,118.57

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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.