Home / 114,148.53-157,489.26-68,840.37

Finding the Fourth Proportional to 114,148.53, 157,489.26 and 68,840.37

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Solution

The fourth proportional to 114,148.53, 157,489.26 and 68,840.37 is: 94,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,148.53 : 157,489.26 = 68,840.37 : x
  2. Step 2: Convert to fraction form
    114,148.53/157,489.26 = 68,840.37/x
  3. Step 3: Cross multiply
    114,148.53x = 157,489.26 × 68,840.37
  4. Step 4: Simplify right side
    114,148.53x = 10,841,618,929.43
  5. Step 5: Solve for x
    x = 10,841,618,929.43/114,148.53
  6. Step 6: Final answer
    x = 94,978.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.