Home / 210,935.88-316,440.27-92,619.18

Finding the Fourth Proportional to 210,935.88, 316,440.27 and 92,619.18

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Solution

The fourth proportional to 210,935.88, 316,440.27 and 92,619.18 is: 138,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,935.88 : 316,440.27 = 92,619.18 : x
  2. Step 2: Convert to fraction form
    210,935.88/316,440.27 = 92,619.18/x
  3. Step 3: Cross multiply
    210,935.88x = 316,440.27 × 92,619.18
  4. Step 4: Simplify right side
    210,935.88x = 29,308,438,326.38
  5. Step 5: Solve for x
    x = 29,308,438,326.38/210,935.88
  6. Step 6: Final answer
    x = 138,944.77

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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.