Home / 229,733.12-316,985.24-134,221.37

Finding the Fourth Proportional to 229,733.12, 316,985.24 and 134,221.37

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Solution

The fourth proportional to 229,733.12, 316,985.24 and 134,221.37 is: 185,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,733.12 : 316,985.24 = 134,221.37 : x
  2. Step 2: Convert to fraction form
    229,733.12/316,985.24 = 134,221.37/x
  3. Step 3: Cross multiply
    229,733.12x = 316,985.24 × 134,221.37
  4. Step 4: Simplify right side
    229,733.12x = 42,546,190,926.55
  5. Step 5: Solve for x
    x = 42,546,190,926.55/229,733.12
  6. Step 6: Final answer
    x = 185,198.34

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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.