Home / 137,390.04-206,089.11-117,272.69

Finding the Fourth Proportional to 137,390.04, 206,089.11 and 117,272.69

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Solution

The fourth proportional to 137,390.04, 206,089.11 and 117,272.69 is: 175,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,390.04 : 206,089.11 = 117,272.69 : x
  2. Step 2: Convert to fraction form
    137,390.04/206,089.11 = 117,272.69/x
  3. Step 3: Cross multiply
    137,390.04x = 206,089.11 × 117,272.69
  4. Step 4: Simplify right side
    137,390.04x = 24,168,624,824.63
  5. Step 5: Solve for x
    x = 24,168,624,824.63/137,390.04
  6. Step 6: Final answer
    x = 175,912.50

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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.