Home / 157,628.36-217,559.50-96,385

Finding the Fourth Proportional to 157,628.36, 217,559.50 and 96,385

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Solution

The fourth proportional to 157,628.36, 217,559.50 and 96,385 is: 133,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,628.36 : 217,559.50 = 96,385 : x
  2. Step 2: Convert to fraction form
    157,628.36/217,559.50 = 96,385/x
  3. Step 3: Cross multiply
    157,628.36x = 217,559.50 × 96,385
  4. Step 4: Simplify right side
    157,628.36x = 20,969,472,407.50
  5. Step 5: Solve for x
    x = 20,969,472,407.50/157,628.36
  6. Step 6: Final answer
    x = 133,031.09

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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.