Home / 177,851.52-245,442.96-102,424.32

Finding the Fourth Proportional to 177,851.52, 245,442.96 and 102,424.32

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Solution

The fourth proportional to 177,851.52, 245,442.96 and 102,424.32 is: 141,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,851.52 : 245,442.96 = 102,424.32 : x
  2. Step 2: Convert to fraction form
    177,851.52/245,442.96 = 102,424.32/x
  3. Step 3: Cross multiply
    177,851.52x = 245,442.96 × 102,424.32
  4. Step 4: Simplify right side
    177,851.52x = 25,139,328,276.79
  5. Step 5: Solve for x
    x = 25,139,328,276.79/177,851.52
  6. Step 6: Final answer
    x = 141,350.09

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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.