Home / 111,014.10-166,545.45-54,881.10

Finding the Fourth Proportional to 111,014.10, 166,545.45 and 54,881.10

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Solution

The fourth proportional to 111,014.10, 166,545.45 and 54,881.10 is: 82,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,014.10 : 166,545.45 = 54,881.10 : x
  2. Step 2: Convert to fraction form
    111,014.10/166,545.45 = 54,881.10/x
  3. Step 3: Cross multiply
    111,014.10x = 166,545.45 × 54,881.10
  4. Step 4: Simplify right side
    111,014.10x = 9,140,197,496.00
  5. Step 5: Solve for x
    x = 9,140,197,496.00/111,014.10
  6. Step 6: Final answer
    x = 82,333.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.