Home / 157,401.12-236,136.77-57,559.11

Finding the Fourth Proportional to 157,401.12, 236,136.77 and 57,559.11

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Solution

The fourth proportional to 157,401.12, 236,136.77 and 57,559.11 is: 86,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,401.12 : 236,136.77 = 57,559.11 : x
  2. Step 2: Convert to fraction form
    157,401.12/236,136.77 = 57,559.11/x
  3. Step 3: Cross multiply
    157,401.12x = 236,136.77 × 57,559.11
  4. Step 4: Simplify right side
    157,401.12x = 13,591,821,362.01
  5. Step 5: Solve for x
    x = 13,591,821,362.01/157,401.12
  6. Step 6: Final answer
    x = 86,351.49

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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.