Home / 199,484.64-275,293.08-108,842.40

Finding the Fourth Proportional to 199,484.64, 275,293.08 and 108,842.40

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Solution

The fourth proportional to 199,484.64, 275,293.08 and 108,842.40 is: 150,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,484.64 : 275,293.08 = 108,842.40 : x
  2. Step 2: Convert to fraction form
    199,484.64/275,293.08 = 108,842.40/x
  3. Step 3: Cross multiply
    199,484.64x = 275,293.08 × 108,842.40
  4. Step 4: Simplify right side
    199,484.64x = 29,963,559,530.59
  5. Step 5: Solve for x
    x = 29,963,559,530.59/199,484.64
  6. Step 6: Final answer
    x = 150,204.85

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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.