Home / 166,695.15-230,037.53-90,212.57

Finding the Fourth Proportional to 166,695.15, 230,037.53 and 90,212.57

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Solution

The fourth proportional to 166,695.15, 230,037.53 and 90,212.57 is: 124,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.15 : 230,037.53 = 90,212.57 : x
  2. Step 2: Convert to fraction form
    166,695.15/230,037.53 = 90,212.57/x
  3. Step 3: Cross multiply
    166,695.15x = 230,037.53 × 90,212.57
  4. Step 4: Simplify right side
    166,695.15x = 20,752,276,777.75
  5. Step 5: Solve for x
    x = 20,752,276,777.75/166,695.15
  6. Step 6: Final answer
    x = 124,492.38

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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.