Home / 177,911.88-245,433.56-109,904.38

Finding the Fourth Proportional to 177,911.88, 245,433.56 and 109,904.38

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Solution

The fourth proportional to 177,911.88, 245,433.56 and 109,904.38 is: 151,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,911.88 : 245,433.56 = 109,904.38 : x
  2. Step 2: Convert to fraction form
    177,911.88/245,433.56 = 109,904.38/x
  3. Step 3: Cross multiply
    177,911.88x = 245,433.56 × 109,904.38
  4. Step 4: Simplify right side
    177,911.88x = 26,974,223,242.99
  5. Step 5: Solve for x
    x = 26,974,223,242.99/177,911.88
  6. Step 6: Final answer
    x = 151,615.64

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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.