Home / 112,357-168,584.70-53,234.92

Finding the Fourth Proportional to 112,357, 168,584.70 and 53,234.92

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Solution

The fourth proportional to 112,357, 168,584.70 and 53,234.92 is: 79,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,357 : 168,584.70 = 53,234.92 : x
  2. Step 2: Convert to fraction form
    112,357/168,584.70 = 53,234.92/x
  3. Step 3: Cross multiply
    112,357x = 168,584.70 × 53,234.92
  4. Step 4: Simplify right side
    112,357x = 8,974,593,017.72
  5. Step 5: Solve for x
    x = 8,974,593,017.72/112,357
  6. Step 6: Final answer
    x = 79,875.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.