Home / 535,171.12-802,669.16-198,132.55

Finding the Fourth Proportional to 535,171.12, 802,669.16 and 198,132.55

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Solution

The fourth proportional to 535,171.12, 802,669.16 and 198,132.55 is: 297,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,171.12 : 802,669.16 = 198,132.55 : x
  2. Step 2: Convert to fraction form
    535,171.12/802,669.16 = 198,132.55/x
  3. Step 3: Cross multiply
    535,171.12x = 802,669.16 × 198,132.55
  4. Step 4: Simplify right side
    535,171.12x = 159,034,885,965.82
  5. Step 5: Solve for x
    x = 159,034,885,965.82/535,171.12
  6. Step 6: Final answer
    x = 297,166.42

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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.