Home / 166,639.80-229,962.06-91,189.56

Finding the Fourth Proportional to 166,639.80, 229,962.06 and 91,189.56

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Solution

The fourth proportional to 166,639.80, 229,962.06 and 91,189.56 is: 125,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,639.80 : 229,962.06 = 91,189.56 : x
  2. Step 2: Convert to fraction form
    166,639.80/229,962.06 = 91,189.56/x
  3. Step 3: Cross multiply
    166,639.80x = 229,962.06 × 91,189.56
  4. Step 4: Simplify right side
    166,639.80x = 20,970,139,068.09
  5. Step 5: Solve for x
    x = 20,970,139,068.09/166,639.80
  6. Step 6: Final answer
    x = 125,841.12

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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.