Home / 177,619.76-245,112.36-97,045.55

Finding the Fourth Proportional to 177,619.76, 245,112.36 and 97,045.55

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Solution

The fourth proportional to 177,619.76, 245,112.36 and 97,045.55 is: 133,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,619.76 : 245,112.36 = 97,045.55 : x
  2. Step 2: Convert to fraction form
    177,619.76/245,112.36 = 97,045.55/x
  3. Step 3: Cross multiply
    177,619.76x = 245,112.36 × 97,045.55
  4. Step 4: Simplify right side
    177,619.76x = 23,787,063,788.00
  5. Step 5: Solve for x
    x = 23,787,063,788.00/177,619.76
  6. Step 6: Final answer
    x = 133,921.27

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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.