Home / 251,887.11-347,577.75-142,956.79

Finding the Fourth Proportional to 251,887.11, 347,577.75 and 142,956.79

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Solution

The fourth proportional to 251,887.11, 347,577.75 and 142,956.79 is: 197,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,887.11 : 347,577.75 = 142,956.79 : x
  2. Step 2: Convert to fraction form
    251,887.11/347,577.75 = 142,956.79/x
  3. Step 3: Cross multiply
    251,887.11x = 347,577.75 × 142,956.79
  4. Step 4: Simplify right side
    251,887.11x = 49,688,599,415.42
  5. Step 5: Solve for x
    x = 49,688,599,415.42/251,887.11
  6. Step 6: Final answer
    x = 197,265.35

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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.