Home / 281,573.36-388,568.14-152,508.62

Finding the Fourth Proportional to 281,573.36, 388,568.14 and 152,508.62

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Solution

The fourth proportional to 281,573.36, 388,568.14 and 152,508.62 is: 210,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,573.36 : 388,568.14 = 152,508.62 : x
  2. Step 2: Convert to fraction form
    281,573.36/388,568.14 = 152,508.62/x
  3. Step 3: Cross multiply
    281,573.36x = 388,568.14 × 152,508.62
  4. Step 4: Simplify right side
    281,573.36x = 59,259,992,255.38
  5. Step 5: Solve for x
    x = 59,259,992,255.38/281,573.36
  6. Step 6: Final answer
    x = 210,460.22

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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.