Home / 185,407.29-278,137.56-57,333.56

Finding the Fourth Proportional to 185,407.29, 278,137.56 and 57,333.56

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Solution

The fourth proportional to 185,407.29, 278,137.56 and 57,333.56 is: 86,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,407.29 : 278,137.56 = 57,333.56 : x
  2. Step 2: Convert to fraction form
    185,407.29/278,137.56 = 57,333.56/x
  3. Step 3: Cross multiply
    185,407.29x = 278,137.56 × 57,333.56
  4. Step 4: Simplify right side
    185,407.29x = 15,946,615,093.83
  5. Step 5: Solve for x
    x = 15,946,615,093.83/185,407.29
  6. Step 6: Final answer
    x = 86,008.57

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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.