Home / 176,170.36-243,098.67-99,696.43

Finding the Fourth Proportional to 176,170.36, 243,098.67 and 99,696.43

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Solution

The fourth proportional to 176,170.36, 243,098.67 and 99,696.43 is: 137,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,170.36 : 243,098.67 = 99,696.43 : x
  2. Step 2: Convert to fraction form
    176,170.36/243,098.67 = 99,696.43/x
  3. Step 3: Cross multiply
    176,170.36x = 243,098.67 × 99,696.43
  4. Step 4: Simplify right side
    176,170.36x = 24,236,069,536.75
  5. Step 5: Solve for x
    x = 24,236,069,536.75/176,170.36
  6. Step 6: Final answer
    x = 137,571.78

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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.