Home / 166,695.18-230,037.54-90,212.60

Finding the Fourth Proportional to 166,695.18, 230,037.54 and 90,212.60

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Solution

The fourth proportional to 166,695.18, 230,037.54 and 90,212.60 is: 124,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.18 : 230,037.54 = 90,212.60 : x
  2. Step 2: Convert to fraction form
    166,695.18/230,037.54 = 90,212.60/x
  3. Step 3: Cross multiply
    166,695.18x = 230,037.54 × 90,212.60
  4. Step 4: Simplify right side
    166,695.18x = 20,752,284,581.00
  5. Step 5: Solve for x
    x = 20,752,284,581.00/166,695.18
  6. Step 6: Final answer
    x = 124,492.41

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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.