Home / 252,743.96-348,784.50-139,564.28

Finding the Fourth Proportional to 252,743.96, 348,784.50 and 139,564.28

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Solution

The fourth proportional to 252,743.96, 348,784.50 and 139,564.28 is: 192,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,743.96 : 348,784.50 = 139,564.28 : x
  2. Step 2: Convert to fraction form
    252,743.96/348,784.50 = 139,564.28/x
  3. Step 3: Cross multiply
    252,743.96x = 348,784.50 × 139,564.28
  4. Step 4: Simplify right side
    252,743.96x = 48,677,857,617.66
  5. Step 5: Solve for x
    x = 48,677,857,617.66/252,743.96
  6. Step 6: Final answer
    x = 192,597.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.