Home / 157,964.58-236,969.25-51,314.41

Finding the Fourth Proportional to 157,964.58, 236,969.25 and 51,314.41

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Solution

The fourth proportional to 157,964.58, 236,969.25 and 51,314.41 is: 76,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,964.58 : 236,969.25 = 51,314.41 : x
  2. Step 2: Convert to fraction form
    157,964.58/236,969.25 = 51,314.41/x
  3. Step 3: Cross multiply
    157,964.58x = 236,969.25 × 51,314.41
  4. Step 4: Simplify right side
    157,964.58x = 12,159,937,355.68
  5. Step 5: Solve for x
    x = 12,159,937,355.68/157,964.58
  6. Step 6: Final answer
    x = 76,978.89

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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.