Home / 208,014.40-312,030.24-173,199.52

Finding the Fourth Proportional to 208,014.40, 312,030.24 and 173,199.52

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Solution

The fourth proportional to 208,014.40, 312,030.24 and 173,199.52 is: 259,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,014.40 : 312,030.24 = 173,199.52 : x
  2. Step 2: Convert to fraction form
    208,014.40/312,030.24 = 173,199.52/x
  3. Step 3: Cross multiply
    208,014.40x = 312,030.24 × 173,199.52
  4. Step 4: Simplify right side
    208,014.40x = 54,043,487,793.48
  5. Step 5: Solve for x
    x = 54,043,487,793.48/208,014.40
  6. Step 6: Final answer
    x = 259,806.47

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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.