Home / 157,664.76-236,537.14-45,342.56

Finding the Fourth Proportional to 157,664.76, 236,537.14 and 45,342.56

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Solution

The fourth proportional to 157,664.76, 236,537.14 and 45,342.56 is: 68,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,664.76 : 236,537.14 = 45,342.56 : x
  2. Step 2: Convert to fraction form
    157,664.76/236,537.14 = 45,342.56/x
  3. Step 3: Cross multiply
    157,664.76x = 236,537.14 × 45,342.56
  4. Step 4: Simplify right side
    157,664.76x = 10,725,199,462.68
  5. Step 5: Solve for x
    x = 10,725,199,462.68/157,664.76
  6. Step 6: Final answer
    x = 68,025.34

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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.