Home / 185,629.28-256,168.28-105,055.32

Finding the Fourth Proportional to 185,629.28, 256,168.28 and 105,055.32

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Solution

The fourth proportional to 185,629.28, 256,168.28 and 105,055.32 is: 144,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.28 : 256,168.28 = 105,055.32 : x
  2. Step 2: Convert to fraction form
    185,629.28/256,168.28 = 105,055.32/x
  3. Step 3: Cross multiply
    185,629.28x = 256,168.28 × 105,055.32
  4. Step 4: Simplify right side
    185,629.28x = 26,911,840,629.25
  5. Step 5: Solve for x
    x = 26,911,840,629.25/185,629.28
  6. Step 6: Final answer
    x = 144,976.27

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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.