Home / 216,036.72-298,145.07-120,545.46

Finding the Fourth Proportional to 216,036.72, 298,145.07 and 120,545.46

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Solution

The fourth proportional to 216,036.72, 298,145.07 and 120,545.46 is: 166,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,036.72 : 298,145.07 = 120,545.46 : x
  2. Step 2: Convert to fraction form
    216,036.72/298,145.07 = 120,545.46/x
  3. Step 3: Cross multiply
    216,036.72x = 298,145.07 × 120,545.46
  4. Step 4: Simplify right side
    216,036.72x = 35,940,034,609.88
  5. Step 5: Solve for x
    x = 35,940,034,609.88/216,036.72
  6. Step 6: Final answer
    x = 166,360.77

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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.