Home / 112,225.91-168,333.39-42,099.75

Finding the Fourth Proportional to 112,225.91, 168,333.39 and 42,099.75

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Solution

The fourth proportional to 112,225.91, 168,333.39 and 42,099.75 is: 63,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,225.91 : 168,333.39 = 42,099.75 : x
  2. Step 2: Convert to fraction form
    112,225.91/168,333.39 = 42,099.75/x
  3. Step 3: Cross multiply
    112,225.91x = 168,333.39 × 42,099.75
  4. Step 4: Simplify right side
    112,225.91x = 7,086,793,635.65
  5. Step 5: Solve for x
    x = 7,086,793,635.65/112,225.91
  6. Step 6: Final answer
    x = 63,147.57

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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.