Home / 185,963.20-256,631.04-101,080.21

Finding the Fourth Proportional to 185,963.20, 256,631.04 and 101,080.21

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Solution

The fourth proportional to 185,963.20, 256,631.04 and 101,080.21 is: 139,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,963.20 : 256,631.04 = 101,080.21 : x
  2. Step 2: Convert to fraction form
    185,963.20/256,631.04 = 101,080.21/x
  3. Step 3: Cross multiply
    185,963.20x = 256,631.04 × 101,080.21
  4. Step 4: Simplify right side
    185,963.20x = 25,940,319,415.72
  5. Step 5: Solve for x
    x = 25,940,319,415.72/185,963.20
  6. Step 6: Final answer
    x = 139,491.68

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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.