Home / 185,533.21-256,036.58-100,650.88

Finding the Fourth Proportional to 185,533.21, 256,036.58 and 100,650.88

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Solution

The fourth proportional to 185,533.21, 256,036.58 and 100,650.88 is: 138,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,533.21 : 256,036.58 = 100,650.88 : x
  2. Step 2: Convert to fraction form
    185,533.21/256,036.58 = 100,650.88/x
  3. Step 3: Cross multiply
    185,533.21x = 256,036.58 × 100,650.88
  4. Step 4: Simplify right side
    185,533.21x = 25,770,307,089.19
  5. Step 5: Solve for x
    x = 25,770,307,089.19/185,533.21
  6. Step 6: Final answer
    x = 138,898.62

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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.