Home / 114,999.28-172,444.29-40,110.32

Finding the Fourth Proportional to 114,999.28, 172,444.29 and 40,110.32

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Solution

The fourth proportional to 114,999.28, 172,444.29 and 40,110.32 is: 60,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,999.28 : 172,444.29 = 40,110.32 : x
  2. Step 2: Convert to fraction form
    114,999.28/172,444.29 = 40,110.32/x
  3. Step 3: Cross multiply
    114,999.28x = 172,444.29 × 40,110.32
  4. Step 4: Simplify right side
    114,999.28x = 6,916,795,934.77
  5. Step 5: Solve for x
    x = 6,916,795,934.77/114,999.28
  6. Step 6: Final answer
    x = 60,146.43

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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.