Home / 157,786.72-236,682.17-52,605.72

Finding the Fourth Proportional to 157,786.72, 236,682.17 and 52,605.72

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Solution

The fourth proportional to 157,786.72, 236,682.17 and 52,605.72 is: 78,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,786.72 : 236,682.17 = 52,605.72 : x
  2. Step 2: Convert to fraction form
    157,786.72/236,682.17 = 52,605.72/x
  3. Step 3: Cross multiply
    157,786.72x = 236,682.17 × 52,605.72
  4. Step 4: Simplify right side
    157,786.72x = 12,450,835,898.26
  5. Step 5: Solve for x
    x = 12,450,835,898.26/157,786.72
  6. Step 6: Final answer
    x = 78,909.28

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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.