Home / 283,560.84-391,315.32-156,236.13

Finding the Fourth Proportional to 283,560.84, 391,315.32 and 156,236.13

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Solution

The fourth proportional to 283,560.84, 391,315.32 and 156,236.13 is: 215,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,560.84 : 391,315.32 = 156,236.13 : x
  2. Step 2: Convert to fraction form
    283,560.84/391,315.32 = 156,236.13/x
  3. Step 3: Cross multiply
    283,560.84x = 391,315.32 × 156,236.13
  4. Step 4: Simplify right side
    283,560.84x = 61,137,591,206.51
  5. Step 5: Solve for x
    x = 61,137,591,206.51/283,560.84
  6. Step 6: Final answer
    x = 215,606.61

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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.