Home / 151,524.08-209,103.76-83,539.58

Finding the Fourth Proportional to 151,524.08, 209,103.76 and 83,539.58

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Solution

The fourth proportional to 151,524.08, 209,103.76 and 83,539.58 is: 115,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,524.08 : 209,103.76 = 83,539.58 : x
  2. Step 2: Convert to fraction form
    151,524.08/209,103.76 = 83,539.58/x
  3. Step 3: Cross multiply
    151,524.08x = 209,103.76 × 83,539.58
  4. Step 4: Simplify right side
    151,524.08x = 17,468,440,286.82
  5. Step 5: Solve for x
    x = 17,468,440,286.82/151,524.08
  6. Step 6: Final answer
    x = 115,284.91

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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.