Home / 208,744.88-288,068.56-113,252.36

Finding the Fourth Proportional to 208,744.88, 288,068.56 and 113,252.36

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Solution

The fourth proportional to 208,744.88, 288,068.56 and 113,252.36 is: 156,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744.88 : 288,068.56 = 113,252.36 : x
  2. Step 2: Convert to fraction form
    208,744.88/288,068.56 = 113,252.36/x
  3. Step 3: Cross multiply
    208,744.88x = 288,068.56 × 113,252.36
  4. Step 4: Simplify right side
    208,744.88x = 32,624,444,261.80
  5. Step 5: Solve for x
    x = 32,624,444,261.80/208,744.88
  6. Step 6: Final answer
    x = 156,288.60

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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.