Home / 166,749.84-230,113.04-90,267.21

Finding the Fourth Proportional to 166,749.84, 230,113.04 and 90,267.21

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Solution

The fourth proportional to 166,749.84, 230,113.04 and 90,267.21 is: 124,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,749.84 : 230,113.04 = 90,267.21 : x
  2. Step 2: Convert to fraction form
    166,749.84/230,113.04 = 90,267.21/x
  3. Step 3: Cross multiply
    166,749.84x = 230,113.04 × 90,267.21
  4. Step 4: Simplify right side
    166,749.84x = 20,771,661,654.08
  5. Step 5: Solve for x
    x = 20,771,661,654.08/166,749.84
  6. Step 6: Final answer
    x = 124,567.81

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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.