Home / 114,237.12-157,664.64-71,223.59

Finding the Fourth Proportional to 114,237.12, 157,664.64 and 71,223.59

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Solution

The fourth proportional to 114,237.12, 157,664.64 and 71,223.59 is: 98,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,237.12 : 157,664.64 = 71,223.59 : x
  2. Step 2: Convert to fraction form
    114,237.12/157,664.64 = 71,223.59/x
  3. Step 3: Cross multiply
    114,237.12x = 157,664.64 × 71,223.59
  4. Step 4: Simplify right side
    114,237.12x = 11,229,441,676.86
  5. Step 5: Solve for x
    x = 11,229,441,676.86/114,237.12
  6. Step 6: Final answer
    x = 98,299.41

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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.