Home / 313,316.10-469,864.80-163,506.60

Finding the Fourth Proportional to 313,316.10, 469,864.80 and 163,506.60

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Solution

The fourth proportional to 313,316.10, 469,864.80 and 163,506.60 is: 245,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,316.10 : 469,864.80 = 163,506.60 : x
  2. Step 2: Convert to fraction form
    313,316.10/469,864.80 = 163,506.60/x
  3. Step 3: Cross multiply
    313,316.10x = 469,864.80 × 163,506.60
  4. Step 4: Simplify right side
    313,316.10x = 76,825,995,907.68
  5. Step 5: Solve for x
    x = 76,825,995,907.68/313,316.10
  6. Step 6: Final answer
    x = 245,202.83

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1.5x scale

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.