Home / 157,515.90-236,273.85-57,679.35

Finding the Fourth Proportional to 157,515.90, 236,273.85 and 57,679.35

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Solution

The fourth proportional to 157,515.90, 236,273.85 and 57,679.35 is: 86,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,515.90 : 236,273.85 = 57,679.35 : x
  2. Step 2: Convert to fraction form
    157,515.90/236,273.85 = 57,679.35/x
  3. Step 3: Cross multiply
    157,515.90x = 236,273.85 × 57,679.35
  4. Step 4: Simplify right side
    157,515.90x = 13,628,122,090.00
  5. Step 5: Solve for x
    x = 13,628,122,090.00/157,515.90
  6. Step 6: Final answer
    x = 86,519.03

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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.