Home / 166,715.35-230,065.63-90,232.90

Finding the Fourth Proportional to 166,715.35, 230,065.63 and 90,232.90

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Solution

The fourth proportional to 166,715.35, 230,065.63 and 90,232.90 is: 124,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,715.35 : 230,065.63 = 90,232.90 : x
  2. Step 2: Convert to fraction form
    166,715.35/230,065.63 = 90,232.90/x
  3. Step 3: Cross multiply
    166,715.35x = 230,065.63 × 90,232.90
  4. Step 4: Simplify right side
    166,715.35x = 20,759,488,985.23
  5. Step 5: Solve for x
    x = 20,759,488,985.23/166,715.35
  6. Step 6: Final answer
    x = 124,520.56

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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.