Home / 283,661.32-391,441.10-154,597.06

Finding the Fourth Proportional to 283,661.32, 391,441.10 and 154,597.06

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Solution

The fourth proportional to 283,661.32, 391,441.10 and 154,597.06 is: 213,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,661.32 : 391,441.10 = 154,597.06 : x
  2. Step 2: Convert to fraction form
    283,661.32/391,441.10 = 154,597.06/x
  3. Step 3: Cross multiply
    283,661.32x = 391,441.10 × 154,597.06
  4. Step 4: Simplify right side
    283,661.32x = 60,515,641,265.96
  5. Step 5: Solve for x
    x = 60,515,641,265.96/283,661.32
  6. Step 6: Final answer
    x = 213,337.66

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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.