Home / 120,627.04-166,465.76-66,917.04

Finding the Fourth Proportional to 120,627.04, 166,465.76 and 66,917.04

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Solution

The fourth proportional to 120,627.04, 166,465.76 and 66,917.04 is: 92,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,627.04 : 166,465.76 = 66,917.04 : x
  2. Step 2: Convert to fraction form
    120,627.04/166,465.76 = 66,917.04/x
  3. Step 3: Cross multiply
    120,627.04x = 166,465.76 × 66,917.04
  4. Step 4: Simplify right side
    120,627.04x = 11,139,395,920.55
  5. Step 5: Solve for x
    x = 11,139,395,920.55/120,627.04
  6. Step 6: Final answer
    x = 92,345.76

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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.