Home / 157,571.30-236,214.79-57,661.85

Finding the Fourth Proportional to 157,571.30, 236,214.79 and 57,661.85

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Solution

The fourth proportional to 157,571.30, 236,214.79 and 57,661.85 is: 86,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,571.30 : 236,214.79 = 57,661.85 : x
  2. Step 2: Convert to fraction form
    157,571.30/236,214.79 = 57,661.85/x
  3. Step 3: Cross multiply
    157,571.30x = 236,214.79 × 57,661.85
  4. Step 4: Simplify right side
    157,571.30x = 13,620,581,788.76
  5. Step 5: Solve for x
    x = 13,620,581,788.76/157,571.30
  6. Step 6: Final answer
    x = 86,440.75

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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.