Home / 166,035.07-229,128.10-90,583.57

Finding the Fourth Proportional to 166,035.07, 229,128.10 and 90,583.57

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Solution

The fourth proportional to 166,035.07, 229,128.10 and 90,583.57 is: 125,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,035.07 : 229,128.10 = 90,583.57 : x
  2. Step 2: Convert to fraction form
    166,035.07/229,128.10 = 90,583.57/x
  3. Step 3: Cross multiply
    166,035.07x = 229,128.10 × 90,583.57
  4. Step 4: Simplify right side
    166,035.07x = 20,755,241,285.32
  5. Step 5: Solve for x
    x = 20,755,241,285.32/166,035.07
  6. Step 6: Final answer
    x = 125,005.16

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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.