Home / 119,091.60-178,655.40-39,102.96

Finding the Fourth Proportional to 119,091.60, 178,655.40 and 39,102.96

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Solution

The fourth proportional to 119,091.60, 178,655.40 and 39,102.96 is: 58,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,091.60 : 178,655.40 = 39,102.96 : x
  2. Step 2: Convert to fraction form
    119,091.60/178,655.40 = 39,102.96/x
  3. Step 3: Cross multiply
    119,091.60x = 178,655.40 × 39,102.96
  4. Step 4: Simplify right side
    119,091.60x = 6,985,954,959.98
  5. Step 5: Solve for x
    x = 6,985,954,959.98/119,091.60
  6. Step 6: Final answer
    x = 58,660.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.