Home / 166,830.18-230,228.64-91,373.82

Finding the Fourth Proportional to 166,830.18, 230,228.64 and 91,373.82

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Solution

The fourth proportional to 166,830.18, 230,228.64 and 91,373.82 is: 126,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,830.18 : 230,228.64 = 91,373.82 : x
  2. Step 2: Convert to fraction form
    166,830.18/230,228.64 = 91,373.82/x
  3. Step 3: Cross multiply
    166,830.18x = 230,228.64 × 91,373.82
  4. Step 4: Simplify right side
    166,830.18x = 21,036,870,310.20
  5. Step 5: Solve for x
    x = 21,036,870,310.20/166,830.18
  6. Step 6: Final answer
    x = 126,097.51

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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.