Home / 210,935.52-316,353.42-77,743.44

Finding the Fourth Proportional to 210,935.52, 316,353.42 and 77,743.44

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Solution

The fourth proportional to 210,935.52, 316,353.42 and 77,743.44 is: 116,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,935.52 : 316,353.42 = 77,743.44 : x
  2. Step 2: Convert to fraction form
    210,935.52/316,353.42 = 77,743.44/x
  3. Step 3: Cross multiply
    210,935.52x = 316,353.42 × 77,743.44
  4. Step 4: Simplify right side
    210,935.52x = 24,594,403,126.56
  5. Step 5: Solve for x
    x = 24,594,403,126.56/210,935.52
  6. Step 6: Final answer
    x = 116,596.78

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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.