Home / 146,046.90-201,497.49-81,505.65

Finding the Fourth Proportional to 146,046.90, 201,497.49 and 81,505.65

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Solution

The fourth proportional to 146,046.90, 201,497.49 and 81,505.65 is: 112,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,046.90 : 201,497.49 = 81,505.65 : x
  2. Step 2: Convert to fraction form
    146,046.90/201,497.49 = 81,505.65/x
  3. Step 3: Cross multiply
    146,046.90x = 201,497.49 × 81,505.65
  4. Step 4: Simplify right side
    146,046.90x = 16,423,183,895.82
  5. Step 5: Solve for x
    x = 16,423,183,895.82/146,046.90
  6. Step 6: Final answer
    x = 112,451.44

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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.