Home / 163,723.82-225,817.98-112,752.74

Finding the Fourth Proportional to 163,723.82, 225,817.98 and 112,752.74

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Solution

The fourth proportional to 163,723.82, 225,817.98 and 112,752.74 is: 155,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,723.82 : 225,817.98 = 112,752.74 : x
  2. Step 2: Convert to fraction form
    163,723.82/225,817.98 = 112,752.74/x
  3. Step 3: Cross multiply
    163,723.82x = 225,817.98 × 112,752.74
  4. Step 4: Simplify right side
    163,723.82x = 25,461,595,986.27
  5. Step 5: Solve for x
    x = 25,461,595,986.27/163,723.82
  6. Step 6: Final answer
    x = 155,515.53

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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.