Home / 199,865.04-275,781.01-118,181.94

Finding the Fourth Proportional to 199,865.04, 275,781.01 and 118,181.94

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Solution

The fourth proportional to 199,865.04, 275,781.01 and 118,181.94 is: 163,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,865.04 : 275,781.01 = 118,181.94 : x
  2. Step 2: Convert to fraction form
    199,865.04/275,781.01 = 118,181.94/x
  3. Step 3: Cross multiply
    199,865.04x = 275,781.01 × 118,181.94
  4. Step 4: Simplify right side
    199,865.04x = 32,592,334,776.96
  5. Step 5: Solve for x
    x = 32,592,334,776.96/199,865.04
  6. Step 6: Final answer
    x = 163,071.71

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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.