Home / 104,933.60-144,809.40-57,187.97

Finding the Fourth Proportional to 104,933.60, 144,809.40 and 57,187.97

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Solution

The fourth proportional to 104,933.60, 144,809.40 and 57,187.97 is: 78,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,933.60 : 144,809.40 = 57,187.97 : x
  2. Step 2: Convert to fraction form
    104,933.60/144,809.40 = 57,187.97/x
  3. Step 3: Cross multiply
    104,933.60x = 144,809.40 × 57,187.97
  4. Step 4: Simplify right side
    104,933.60x = 8,281,355,988.39
  5. Step 5: Solve for x
    x = 8,281,355,988.39/104,933.60
  6. Step 6: Final answer
    x = 78,919.96

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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.