Home / 185,615.52-256,149.58-100,732.60

Finding the Fourth Proportional to 185,615.52, 256,149.58 and 100,732.60

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Solution

The fourth proportional to 185,615.52, 256,149.58 and 100,732.60 is: 139,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.52 : 256,149.58 = 100,732.60 : x
  2. Step 2: Convert to fraction form
    185,615.52/256,149.58 = 100,732.60/x
  3. Step 3: Cross multiply
    185,615.52x = 256,149.58 × 100,732.60
  4. Step 4: Simplify right side
    185,615.52x = 25,802,613,182.31
  5. Step 5: Solve for x
    x = 25,802,613,182.31/185,615.52
  6. Step 6: Final answer
    x = 139,011.08

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1.5x scale

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.