Home / 157,742.39-236,472.56-57,879.41

Finding the Fourth Proportional to 157,742.39, 236,472.56 and 57,879.41

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Solution

The fourth proportional to 157,742.39, 236,472.56 and 57,879.41 is: 86,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,742.39 : 236,472.56 = 57,879.41 : x
  2. Step 2: Convert to fraction form
    157,742.39/236,472.56 = 57,879.41/x
  3. Step 3: Cross multiply
    157,742.39x = 236,472.56 × 57,879.41
  4. Step 4: Simplify right side
    157,742.39x = 13,686,892,655.01
  5. Step 5: Solve for x
    x = 13,686,892,655.01/157,742.39
  6. Step 6: Final answer
    x = 86,767.37

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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.