Home / 169,128.90-253,365.30-94,114.80

Finding the Fourth Proportional to 169,128.90, 253,365.30 and 94,114.80

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Solution

The fourth proportional to 169,128.90, 253,365.30 and 94,114.80 is: 140,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,128.90 : 253,365.30 = 94,114.80 : x
  2. Step 2: Convert to fraction form
    169,128.90/253,365.30 = 94,114.80/x
  3. Step 3: Cross multiply
    169,128.90x = 253,365.30 × 94,114.80
  4. Step 4: Simplify right side
    169,128.90x = 23,845,424,536.44
  5. Step 5: Solve for x
    x = 23,845,424,536.44/169,128.90
  6. Step 6: Final answer
    x = 140,989.65

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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.