Home / 102,249.75-141,068.13-59,205.75

Finding the Fourth Proportional to 102,249.75, 141,068.13 and 59,205.75

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Solution

The fourth proportional to 102,249.75, 141,068.13 and 59,205.75 is: 81,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,249.75 : 141,068.13 = 59,205.75 : x
  2. Step 2: Convert to fraction form
    102,249.75/141,068.13 = 59,205.75/x
  3. Step 3: Cross multiply
    102,249.75x = 141,068.13 × 59,205.75
  4. Step 4: Simplify right side
    102,249.75x = 8,352,044,437.75
  5. Step 5: Solve for x
    x = 8,352,044,437.75/102,249.75
  6. Step 6: Final answer
    x = 81,682.79

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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.