Home / 166,551.09-229,841.87-91,099.59

Finding the Fourth Proportional to 166,551.09, 229,841.87 and 91,099.59

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Solution

The fourth proportional to 166,551.09, 229,841.87 and 91,099.59 is: 125,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,551.09 : 229,841.87 = 91,099.59 : x
  2. Step 2: Convert to fraction form
    166,551.09/229,841.87 = 91,099.59/x
  3. Step 3: Cross multiply
    166,551.09x = 229,841.87 × 91,099.59
  4. Step 4: Simplify right side
    166,551.09x = 20,938,499,666.34
  5. Step 5: Solve for x
    x = 20,938,499,666.34/166,551.09
  6. Step 6: Final answer
    x = 125,718.18

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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.