Home / 193,918.40-290,877.60-60,810.28

Finding the Fourth Proportional to 193,918.40, 290,877.60 and 60,810.28

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Solution

The fourth proportional to 193,918.40, 290,877.60 and 60,810.28 is: 91,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,918.40 : 290,877.60 = 60,810.28 : x
  2. Step 2: Convert to fraction form
    193,918.40/290,877.60 = 60,810.28/x
  3. Step 3: Cross multiply
    193,918.40x = 290,877.60 × 60,810.28
  4. Step 4: Simplify right side
    193,918.40x = 17,688,348,301.73
  5. Step 5: Solve for x
    x = 17,688,348,301.73/193,918.40
  6. Step 6: Final answer
    x = 91,215.42

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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.