Home / 112,310.41-154,994.64-61,327.89

Finding the Fourth Proportional to 112,310.41, 154,994.64 and 61,327.89

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Solution

The fourth proportional to 112,310.41, 154,994.64 and 61,327.89 is: 84,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.41 : 154,994.64 = 61,327.89 : x
  2. Step 2: Convert to fraction form
    112,310.41/154,994.64 = 61,327.89/x
  3. Step 3: Cross multiply
    112,310.41x = 154,994.64 × 61,327.89
  4. Step 4: Simplify right side
    112,310.41x = 9,505,493,457.54
  5. Step 5: Solve for x
    x = 9,505,493,457.54/112,310.41
  6. Step 6: Final answer
    x = 84,635.91

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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.