Home / 114,272.94-157,644.32-73,999.68

Finding the Fourth Proportional to 114,272.94, 157,644.32 and 73,999.68

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Solution

The fourth proportional to 114,272.94, 157,644.32 and 73,999.68 is: 102,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,272.94 : 157,644.32 = 73,999.68 : x
  2. Step 2: Convert to fraction form
    114,272.94/157,644.32 = 73,999.68/x
  3. Step 3: Cross multiply
    114,272.94x = 157,644.32 × 73,999.68
  4. Step 4: Simplify right side
    114,272.94x = 11,665,628,445.60
  5. Step 5: Solve for x
    x = 11,665,628,445.60/114,272.94
  6. Step 6: Final answer
    x = 102,085.66

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1.5x scale

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.