Home / 112,212.95-168,226.27-45,684.41

Finding the Fourth Proportional to 112,212.95, 168,226.27 and 45,684.41

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Solution

The fourth proportional to 112,212.95, 168,226.27 and 45,684.41 is: 68,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,212.95 : 168,226.27 = 45,684.41 : x
  2. Step 2: Convert to fraction form
    112,212.95/168,226.27 = 45,684.41/x
  3. Step 3: Cross multiply
    112,212.95x = 168,226.27 × 45,684.41
  4. Step 4: Simplify right side
    112,212.95x = 7,685,316,936.11
  5. Step 5: Solve for x
    x = 7,685,316,936.11/112,212.95
  6. Step 6: Final answer
    x = 68,488.68

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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.