Home / 166,032.16-229,123.61-90,580.66

Finding the Fourth Proportional to 166,032.16, 229,123.61 and 90,580.66

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Solution

The fourth proportional to 166,032.16, 229,123.61 and 90,580.66 is: 125,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,032.16 : 229,123.61 = 90,580.66 : x
  2. Step 2: Convert to fraction form
    166,032.16/229,123.61 = 90,580.66/x
  3. Step 3: Cross multiply
    166,032.16x = 229,123.61 × 90,580.66
  4. Step 4: Simplify right side
    166,032.16x = 20,754,167,815.38
  5. Step 5: Solve for x
    x = 20,754,167,815.38/166,032.16
  6. Step 6: Final answer
    x = 125,000.89

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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.