Home / 174,043.88-261,152.54-68,938.60

Finding the Fourth Proportional to 174,043.88, 261,152.54 and 68,938.60

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Solution

The fourth proportional to 174,043.88, 261,152.54 and 68,938.60 is: 103,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,043.88 : 261,152.54 = 68,938.60 : x
  2. Step 2: Convert to fraction form
    174,043.88/261,152.54 = 68,938.60/x
  3. Step 3: Cross multiply
    174,043.88x = 261,152.54 × 68,938.60
  4. Step 4: Simplify right side
    174,043.88x = 18,003,490,494.04
  5. Step 5: Solve for x
    x = 18,003,490,494.04/174,043.88
  6. Step 6: Final answer
    x = 103,442.25

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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.