Home / 117,682.38-162,400.44-87,602.22

Finding the Fourth Proportional to 117,682.38, 162,400.44 and 87,602.22

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Solution

The fourth proportional to 117,682.38, 162,400.44 and 87,602.22 is: 120,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,682.38 : 162,400.44 = 87,602.22 : x
  2. Step 2: Convert to fraction form
    117,682.38/162,400.44 = 87,602.22/x
  3. Step 3: Cross multiply
    117,682.38x = 162,400.44 × 87,602.22
  4. Step 4: Simplify right side
    117,682.38x = 14,226,639,072.98
  5. Step 5: Solve for x
    x = 14,226,639,072.98/117,682.38
  6. Step 6: Final answer
    x = 120,890.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.