Home / 281,404.32-388,336.17-152,341.85

Finding the Fourth Proportional to 281,404.32, 388,336.17 and 152,341.85

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Solution

The fourth proportional to 281,404.32, 388,336.17 and 152,341.85 is: 210,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,404.32 : 388,336.17 = 152,341.85 : x
  2. Step 2: Convert to fraction form
    281,404.32/388,336.17 = 152,341.85/x
  3. Step 3: Cross multiply
    281,404.32x = 388,336.17 × 152,341.85
  4. Step 4: Simplify right side
    281,404.32x = 59,159,848,618.03
  5. Step 5: Solve for x
    x = 59,159,848,618.03/281,404.32
  6. Step 6: Final answer
    x = 210,230.78

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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.