Home / 111,030.30-166,545.45-104,906.70

Finding the Fourth Proportional to 111,030.30, 166,545.45 and 104,906.70

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Solution

The fourth proportional to 111,030.30, 166,545.45 and 104,906.70 is: 157,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,030.30 : 166,545.45 = 104,906.70 : x
  2. Step 2: Convert to fraction form
    111,030.30/166,545.45 = 104,906.70/x
  3. Step 3: Cross multiply
    111,030.30x = 166,545.45 × 104,906.70
  4. Step 4: Simplify right side
    111,030.30x = 17,471,733,559.52
  5. Step 5: Solve for x
    x = 17,471,733,559.52/111,030.30
  6. Step 6: Final answer
    x = 157,360.05

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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.