Home / 193,547.18-290,362.25-67,191.44

Finding the Fourth Proportional to 193,547.18, 290,362.25 and 67,191.44

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Solution

The fourth proportional to 193,547.18, 290,362.25 and 67,191.44 is: 100,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547.18 : 290,362.25 = 67,191.44 : x
  2. Step 2: Convert to fraction form
    193,547.18/290,362.25 = 67,191.44/x
  3. Step 3: Cross multiply
    193,547.18x = 290,362.25 × 67,191.44
  4. Step 4: Simplify right side
    193,547.18x = 19,509,856,415.31
  5. Step 5: Solve for x
    x = 19,509,856,415.31/193,547.18
  6. Step 6: Final answer
    x = 100,801.55

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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.