Home / 217,536.18-300,132.60-126,827.94

Finding the Fourth Proportional to 217,536.18, 300,132.60 and 126,827.94

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Solution

The fourth proportional to 217,536.18, 300,132.60 and 126,827.94 is: 174,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,536.18 : 300,132.60 = 126,827.94 : x
  2. Step 2: Convert to fraction form
    217,536.18/300,132.60 = 126,827.94/x
  3. Step 3: Cross multiply
    217,536.18x = 300,132.60 × 126,827.94
  4. Step 4: Simplify right side
    217,536.18x = 38,065,199,384.84
  5. Step 5: Solve for x
    x = 38,065,199,384.84/217,536.18
  6. Step 6: Final answer
    x = 174,983.30

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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.