Home / 152,015.58-209,774.95-83,103.73

Finding the Fourth Proportional to 152,015.58, 209,774.95 and 83,103.73

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Solution

The fourth proportional to 152,015.58, 209,774.95 and 83,103.73 is: 114,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,015.58 : 209,774.95 = 83,103.73 : x
  2. Step 2: Convert to fraction form
    152,015.58/209,774.95 = 83,103.73/x
  3. Step 3: Cross multiply
    152,015.58x = 209,774.95 × 83,103.73
  4. Step 4: Simplify right side
    152,015.58x = 17,433,080,805.56
  5. Step 5: Solve for x
    x = 17,433,080,805.56/152,015.58
  6. Step 6: Final answer
    x = 114,679.57

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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.