Home / 112,007.69-167,992.10-38,135.69

Finding the Fourth Proportional to 112,007.69, 167,992.10 and 38,135.69

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Solution

The fourth proportional to 112,007.69, 167,992.10 and 38,135.69 is: 57,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,007.69 : 167,992.10 = 38,135.69 : x
  2. Step 2: Convert to fraction form
    112,007.69/167,992.10 = 38,135.69/x
  3. Step 3: Cross multiply
    112,007.69x = 167,992.10 × 38,135.69
  4. Step 4: Simplify right side
    112,007.69x = 6,406,494,457.37
  5. Step 5: Solve for x
    x = 6,406,494,457.37/112,007.69
  6. Step 6: Final answer
    x = 57,196.92

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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.