Home / 193,567.05-290,301.98-68,878.89

Finding the Fourth Proportional to 193,567.05, 290,301.98 and 68,878.89

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Solution

The fourth proportional to 193,567.05, 290,301.98 and 68,878.89 is: 103,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,567.05 : 290,301.98 = 68,878.89 : x
  2. Step 2: Convert to fraction form
    193,567.05/290,301.98 = 68,878.89/x
  3. Step 3: Cross multiply
    193,567.05x = 290,301.98 × 68,878.89
  4. Step 4: Simplify right side
    193,567.05x = 19,995,677,802.81
  5. Step 5: Solve for x
    x = 19,995,677,802.81/193,567.05
  6. Step 6: Final answer
    x = 103,301.04

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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.