Home / 106,616.16-146,957.76-81,037.44

Finding the Fourth Proportional to 106,616.16, 146,957.76 and 81,037.44

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Solution

The fourth proportional to 106,616.16, 146,957.76 and 81,037.44 is: 111,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,616.16 : 146,957.76 = 81,037.44 : x
  2. Step 2: Convert to fraction form
    106,616.16/146,957.76 = 81,037.44/x
  3. Step 3: Cross multiply
    106,616.16x = 146,957.76 × 81,037.44
  4. Step 4: Simplify right side
    106,616.16x = 11,909,080,658.53
  5. Step 5: Solve for x
    x = 11,909,080,658.53/106,616.16
  6. Step 6: Final answer
    x = 111,700.52

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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.