Home / 147,733.21-221,710.68-105,033.25

Finding the Fourth Proportional to 147,733.21, 221,710.68 and 105,033.25

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Solution

The fourth proportional to 147,733.21, 221,710.68 and 105,033.25 is: 157,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,733.21 : 221,710.68 = 105,033.25 : x
  2. Step 2: Convert to fraction form
    147,733.21/221,710.68 = 105,033.25/x
  3. Step 3: Cross multiply
    147,733.21x = 221,710.68 × 105,033.25
  4. Step 4: Simplify right side
    147,733.21x = 23,286,992,725.83
  5. Step 5: Solve for x
    x = 23,286,992,725.83/147,733.21
  6. Step 6: Final answer
    x = 157,628.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.