Home / 210,592.26-316,036-121,723.50

Finding the Fourth Proportional to 210,592.26, 316,036 and 121,723.50

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Solution

The fourth proportional to 210,592.26, 316,036 and 121,723.50 is: 182,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,592.26 : 316,036 = 121,723.50 : x
  2. Step 2: Convert to fraction form
    210,592.26/316,036 = 121,723.50/x
  3. Step 3: Cross multiply
    210,592.26x = 316,036 × 121,723.50
  4. Step 4: Simplify right side
    210,592.26x = 38,469,008,046
  5. Step 5: Solve for x
    x = 38,469,008,046/210,592.26
  6. Step 6: Final answer
    x = 182,670.57

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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.