Home / 178,933.55-268,386.33-79,097.00

Finding the Fourth Proportional to 178,933.55, 268,386.33 and 79,097.00

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Solution

The fourth proportional to 178,933.55, 268,386.33 and 79,097.00 is: 118,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,933.55 : 268,386.33 = 79,097.00 : x
  2. Step 2: Convert to fraction form
    178,933.55/268,386.33 = 79,097.00/x
  3. Step 3: Cross multiply
    178,933.55x = 268,386.33 × 79,097.00
  4. Step 4: Simplify right side
    178,933.55x = 21,228,552,202.08
  5. Step 5: Solve for x
    x = 21,228,552,202.08/178,933.55
  6. Step 6: Final answer
    x = 118,639.31

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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.