Home / 185,203.56-255,585.75-112,581.54

Finding the Fourth Proportional to 185,203.56, 255,585.75 and 112,581.54

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Solution

The fourth proportional to 185,203.56, 255,585.75 and 112,581.54 is: 155,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,203.56 : 255,585.75 = 112,581.54 : x
  2. Step 2: Convert to fraction form
    185,203.56/255,585.75 = 112,581.54/x
  3. Step 3: Cross multiply
    185,203.56x = 255,585.75 × 112,581.54
  4. Step 4: Simplify right side
    185,203.56x = 28,774,237,337.06
  5. Step 5: Solve for x
    x = 28,774,237,337.06/185,203.56
  6. Step 6: Final answer
    x = 155,365.47

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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.