Home / 120,628.04-166,467.14-66,918.04

Finding the Fourth Proportional to 120,628.04, 166,467.14 and 66,918.04

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Solution

The fourth proportional to 120,628.04, 166,467.14 and 66,918.04 is: 92,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,628.04 : 166,467.14 = 66,918.04 : x
  2. Step 2: Convert to fraction form
    120,628.04/166,467.14 = 66,918.04/x
  3. Step 3: Cross multiply
    120,628.04x = 166,467.14 × 66,918.04
  4. Step 4: Simplify right side
    120,628.04x = 11,139,654,733.21
  5. Step 5: Solve for x
    x = 11,139,654,733.21/120,628.04
  6. Step 6: Final answer
    x = 92,347.14

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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.