Home / 178,740.54-268,051.28-72,096.95

Finding the Fourth Proportional to 178,740.54, 268,051.28 and 72,096.95

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Solution

The fourth proportional to 178,740.54, 268,051.28 and 72,096.95 is: 108,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,740.54 : 268,051.28 = 72,096.95 : x
  2. Step 2: Convert to fraction form
    178,740.54/268,051.28 = 72,096.95/x
  3. Step 3: Cross multiply
    178,740.54x = 268,051.28 × 72,096.95
  4. Step 4: Simplify right side
    178,740.54x = 19,325,680,041.24
  5. Step 5: Solve for x
    x = 19,325,680,041.24/178,740.54
  6. Step 6: Final answer
    x = 108,121.41

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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.