Home / 188,829.90-260,585.30-103,946.96

Finding the Fourth Proportional to 188,829.90, 260,585.30 and 103,946.96

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Solution

The fourth proportional to 188,829.90, 260,585.30 and 103,946.96 is: 143,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,829.90 : 260,585.30 = 103,946.96 : x
  2. Step 2: Convert to fraction form
    188,829.90/260,585.30 = 103,946.96/x
  3. Step 3: Cross multiply
    188,829.90x = 260,585.30 × 103,946.96
  4. Step 4: Simplify right side
    188,829.90x = 27,087,050,667.02
  5. Step 5: Solve for x
    x = 27,087,050,667.02/188,829.90
  6. Step 6: Final answer
    x = 143,446.83

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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.