Home / 119,528.64-178,418.43-105,341.31

Finding the Fourth Proportional to 119,528.64, 178,418.43 and 105,341.31

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Solution

The fourth proportional to 119,528.64, 178,418.43 and 105,341.31 is: 157,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,528.64 : 178,418.43 = 105,341.31 : x
  2. Step 2: Convert to fraction form
    119,528.64/178,418.43 = 105,341.31/x
  3. Step 3: Cross multiply
    119,528.64x = 178,418.43 × 105,341.31
  4. Step 4: Simplify right side
    119,528.64x = 18,794,831,588.75
  5. Step 5: Solve for x
    x = 18,794,831,588.75/119,528.64
  6. Step 6: Final answer
    x = 157,241.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.