Home / 177,466.90-245,014.86-112,972.54

Finding the Fourth Proportional to 177,466.90, 245,014.86 and 112,972.54

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Solution

The fourth proportional to 177,466.90, 245,014.86 and 112,972.54 is: 155,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,466.90 : 245,014.86 = 112,972.54 : x
  2. Step 2: Convert to fraction form
    177,466.90/245,014.86 = 112,972.54/x
  3. Step 3: Cross multiply
    177,466.90x = 245,014.86 × 112,972.54
  4. Step 4: Simplify right side
    177,466.90x = 27,679,951,071.94
  5. Step 5: Solve for x
    x = 27,679,951,071.94/177,466.90
  6. Step 6: Final answer
    x = 155,972.47

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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.