Home / 177,576.21-245,062.61-102,124.77

Finding the Fourth Proportional to 177,576.21, 245,062.61 and 102,124.77

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Solution

The fourth proportional to 177,576.21, 245,062.61 and 102,124.77 is: 140,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,576.21 : 245,062.61 = 102,124.77 : x
  2. Step 2: Convert to fraction form
    177,576.21/245,062.61 = 102,124.77/x
  3. Step 3: Cross multiply
    177,576.21x = 245,062.61 × 102,124.77
  4. Step 4: Simplify right side
    177,576.21x = 25,026,962,681.85
  5. Step 5: Solve for x
    x = 25,026,962,681.85/177,576.21
  6. Step 6: Final answer
    x = 140,936.46

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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.