Home / 281,624.23-388,645.46-168,425.11

Finding the Fourth Proportional to 281,624.23, 388,645.46 and 168,425.11

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Solution

The fourth proportional to 281,624.23, 388,645.46 and 168,425.11 is: 232,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,624.23 : 388,645.46 = 168,425.11 : x
  2. Step 2: Convert to fraction form
    281,624.23/388,645.46 = 168,425.11/x
  3. Step 3: Cross multiply
    281,624.23x = 388,645.46 × 168,425.11
  4. Step 4: Simplify right side
    281,624.23x = 65,457,654,351.50
  5. Step 5: Solve for x
    x = 65,457,654,351.50/281,624.23
  6. Step 6: Final answer
    x = 232,429.06

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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.