Home / 177,030.36-265,592.88-77,198.64

Finding the Fourth Proportional to 177,030.36, 265,592.88 and 77,198.64

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Solution

The fourth proportional to 177,030.36, 265,592.88 and 77,198.64 is: 115,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,030.36 : 265,592.88 = 77,198.64 : x
  2. Step 2: Convert to fraction form
    177,030.36/265,592.88 = 77,198.64/x
  3. Step 3: Cross multiply
    177,030.36x = 265,592.88 × 77,198.64
  4. Step 4: Simplify right side
    177,030.36x = 20,503,409,129.68
  5. Step 5: Solve for x
    x = 20,503,409,129.68/177,030.36
  6. Step 6: Final answer
    x = 115,818.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.