Home / 120,547.14-166,491.22-82,240.92

Finding the Fourth Proportional to 120,547.14, 166,491.22 and 82,240.92

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Solution

The fourth proportional to 120,547.14, 166,491.22 and 82,240.92 is: 113,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547.14 : 166,491.22 = 82,240.92 : x
  2. Step 2: Convert to fraction form
    120,547.14/166,491.22 = 82,240.92/x
  3. Step 3: Cross multiply
    120,547.14x = 166,491.22 × 82,240.92
  4. Step 4: Simplify right side
    120,547.14x = 13,692,391,104.72
  5. Step 5: Solve for x
    x = 13,692,391,104.72/120,547.14
  6. Step 6: Final answer
    x = 113,585.37

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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.