Home / 151,221.52-208,682.49-83,234.98

Finding the Fourth Proportional to 151,221.52, 208,682.49 and 83,234.98

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Solution

The fourth proportional to 151,221.52, 208,682.49 and 83,234.98 is: 114,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,221.52 : 208,682.49 = 83,234.98 : x
  2. Step 2: Convert to fraction form
    151,221.52/208,682.49 = 83,234.98/x
  3. Step 3: Cross multiply
    151,221.52x = 208,682.49 × 83,234.98
  4. Step 4: Simplify right side
    151,221.52x = 17,369,682,881.50
  5. Step 5: Solve for x
    x = 17,369,682,881.50/151,221.52
  6. Step 6: Final answer
    x = 114,862.51

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1.5x scale

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.