Home / 283,680.06-391,473.32-154,619.66

Finding the Fourth Proportional to 283,680.06, 391,473.32 and 154,619.66

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Solution

The fourth proportional to 283,680.06, 391,473.32 and 154,619.66 is: 213,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,680.06 : 391,473.32 = 154,619.66 : x
  2. Step 2: Convert to fraction form
    283,680.06/391,473.32 = 154,619.66/x
  3. Step 3: Cross multiply
    283,680.06x = 391,473.32 × 154,619.66
  4. Step 4: Simplify right side
    283,680.06x = 60,529,471,637.47
  5. Step 5: Solve for x
    x = 60,529,471,637.47/283,680.06
  6. Step 6: Final answer
    x = 213,372.32

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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.