Home / 156,346.38-215,674.74-95,111.28

Finding the Fourth Proportional to 156,346.38, 215,674.74 and 95,111.28

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Solution

The fourth proportional to 156,346.38, 215,674.74 and 95,111.28 is: 131,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,346.38 : 215,674.74 = 95,111.28 : x
  2. Step 2: Convert to fraction form
    156,346.38/215,674.74 = 95,111.28/x
  3. Step 3: Cross multiply
    156,346.38x = 215,674.74 × 95,111.28
  4. Step 4: Simplify right side
    156,346.38x = 20,513,100,585.07
  5. Step 5: Solve for x
    x = 20,513,100,585.07/156,346.38
  6. Step 6: Final answer
    x = 131,202.91

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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.