Home / 151,073.67-208,483.02-82,163.76

Finding the Fourth Proportional to 151,073.67, 208,483.02 and 82,163.76

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Solution

The fourth proportional to 151,073.67, 208,483.02 and 82,163.76 is: 113,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,073.67 : 208,483.02 = 82,163.76 : x
  2. Step 2: Convert to fraction form
    151,073.67/208,483.02 = 82,163.76/x
  3. Step 3: Cross multiply
    151,073.67x = 208,483.02 × 82,163.76
  4. Step 4: Simplify right side
    151,073.67x = 17,129,748,819.36
  5. Step 5: Solve for x
    x = 17,129,748,819.36/151,073.67
  6. Step 6: Final answer
    x = 113,386.73

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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.