Home / 199,390.10-275,148.62-118,815.83

Finding the Fourth Proportional to 199,390.10, 275,148.62 and 118,815.83

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Solution

The fourth proportional to 199,390.10, 275,148.62 and 118,815.83 is: 163,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,390.10 : 275,148.62 = 118,815.83 : x
  2. Step 2: Convert to fraction form
    199,390.10/275,148.62 = 118,815.83/x
  3. Step 3: Cross multiply
    199,390.10x = 275,148.62 × 118,815.83
  4. Step 4: Simplify right side
    199,390.10x = 32,692,010,579.95
  5. Step 5: Solve for x
    x = 32,692,010,579.95/199,390.10
  6. Step 6: Final answer
    x = 163,960.05

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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.