Home / 157,784.68-236,746.38-82,887.42

Finding the Fourth Proportional to 157,784.68, 236,746.38 and 82,887.42

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Solution

The fourth proportional to 157,784.68, 236,746.38 and 82,887.42 is: 124,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,784.68 : 236,746.38 = 82,887.42 : x
  2. Step 2: Convert to fraction form
    157,784.68/236,746.38 = 82,887.42/x
  3. Step 3: Cross multiply
    157,784.68x = 236,746.38 × 82,887.42
  4. Step 4: Simplify right side
    157,784.68x = 19,623,296,632.54
  5. Step 5: Solve for x
    x = 19,623,296,632.54/157,784.68
  6. Step 6: Final answer
    x = 124,367.57

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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.