Home / 198,547.31-297,824.05-63,636.75

Finding the Fourth Proportional to 198,547.31, 297,824.05 and 63,636.75

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Solution

The fourth proportional to 198,547.31, 297,824.05 and 63,636.75 is: 95,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,547.31 : 297,824.05 = 63,636.75 : x
  2. Step 2: Convert to fraction form
    198,547.31/297,824.05 = 63,636.75/x
  3. Step 3: Cross multiply
    198,547.31x = 297,824.05 × 63,636.75
  4. Step 4: Simplify right side
    198,547.31x = 18,952,554,613.84
  5. Step 5: Solve for x
    x = 18,952,554,613.84/198,547.31
  6. Step 6: Final answer
    x = 95,456.11

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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.