Home / 166,977.60-230,428.56-90,498.96

Finding the Fourth Proportional to 166,977.60, 230,428.56 and 90,498.96

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Solution

The fourth proportional to 166,977.60, 230,428.56 and 90,498.96 is: 124,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,977.60 : 230,428.56 = 90,498.96 : x
  2. Step 2: Convert to fraction form
    166,977.60/230,428.56 = 90,498.96/x
  3. Step 3: Cross multiply
    166,977.60x = 230,428.56 × 90,498.96
  4. Step 4: Simplify right side
    166,977.60x = 20,853,545,034.30
  5. Step 5: Solve for x
    x = 20,853,545,034.30/166,977.60
  6. Step 6: Final answer
    x = 124,888.28

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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.