Home / 177,966.36-245,569.86-102,500.28

Finding the Fourth Proportional to 177,966.36, 245,569.86 and 102,500.28

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Solution

The fourth proportional to 177,966.36, 245,569.86 and 102,500.28 is: 141,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,966.36 : 245,569.86 = 102,500.28 : x
  2. Step 2: Convert to fraction form
    177,966.36/245,569.86 = 102,500.28/x
  3. Step 3: Cross multiply
    177,966.36x = 245,569.86 × 102,500.28
  4. Step 4: Simplify right side
    177,966.36x = 25,170,979,409.56
  5. Step 5: Solve for x
    x = 25,170,979,409.56/177,966.36
  6. Step 6: Final answer
    x = 141,436.73

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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.