Home / 210,623.94-316,023.81-92,380.14

Finding the Fourth Proportional to 210,623.94, 316,023.81 and 92,380.14

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Solution

The fourth proportional to 210,623.94, 316,023.81 and 92,380.14 is: 138,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,623.94 : 316,023.81 = 92,380.14 : x
  2. Step 2: Convert to fraction form
    210,623.94/316,023.81 = 92,380.14/x
  3. Step 3: Cross multiply
    210,623.94x = 316,023.81 × 92,380.14
  4. Step 4: Simplify right side
    210,623.94x = 29,194,323,811.13
  5. Step 5: Solve for x
    x = 29,194,323,811.13/210,623.94
  6. Step 6: Final answer
    x = 138,608.76

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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.