Home / 112,119.63-167,668.12-83,676.66

Finding the Fourth Proportional to 112,119.63, 167,668.12 and 83,676.66

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Solution

The fourth proportional to 112,119.63, 167,668.12 and 83,676.66 is: 125,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,119.63 : 167,668.12 = 83,676.66 : x
  2. Step 2: Convert to fraction form
    112,119.63/167,668.12 = 83,676.66/x
  3. Step 3: Cross multiply
    112,119.63x = 167,668.12 × 83,676.66
  4. Step 4: Simplify right side
    112,119.63x = 14,029,908,270.08
  5. Step 5: Solve for x
    x = 14,029,908,270.08/112,119.63
  6. Step 6: Final answer
    x = 125,133.38

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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.