Home / 187,448.28-258,595.18-119,428.32

Finding the Fourth Proportional to 187,448.28, 258,595.18 and 119,428.32

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Solution

The fourth proportional to 187,448.28, 258,595.18 and 119,428.32 is: 164,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,448.28 : 258,595.18 = 119,428.32 : x
  2. Step 2: Convert to fraction form
    187,448.28/258,595.18 = 119,428.32/x
  3. Step 3: Cross multiply
    187,448.28x = 258,595.18 × 119,428.32
  4. Step 4: Simplify right side
    187,448.28x = 30,883,589,250.44
  5. Step 5: Solve for x
    x = 30,883,589,250.44/187,448.28
  6. Step 6: Final answer
    x = 164,757.93

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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.