Home / 135,726.10-203,668.53-56,833.72

Finding the Fourth Proportional to 135,726.10, 203,668.53 and 56,833.72

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Solution

The fourth proportional to 135,726.10, 203,668.53 and 56,833.72 is: 85,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,726.10 : 203,668.53 = 56,833.72 : x
  2. Step 2: Convert to fraction form
    135,726.10/203,668.53 = 56,833.72/x
  3. Step 3: Cross multiply
    135,726.10x = 203,668.53 × 56,833.72
  4. Step 4: Simplify right side
    135,726.10x = 11,575,240,206.83
  5. Step 5: Solve for x
    x = 11,575,240,206.83/135,726.10
  6. Step 6: Final answer
    x = 85,283.82

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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.