Home / 146,621.67-219,022.79-106,320.74

Finding the Fourth Proportional to 146,621.67, 219,022.79 and 106,320.74

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Solution

The fourth proportional to 146,621.67, 219,022.79 and 106,320.74 is: 158,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,621.67 : 219,022.79 = 106,320.74 : x
  2. Step 2: Convert to fraction form
    146,621.67/219,022.79 = 106,320.74/x
  3. Step 3: Cross multiply
    146,621.67x = 219,022.79 × 106,320.74
  4. Step 4: Simplify right side
    146,621.67x = 23,286,663,482.95
  5. Step 5: Solve for x
    x = 23,286,663,482.95/146,621.67
  6. Step 6: Final answer
    x = 158,821.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.