Home / 326,865.68-451,242.64-226,088.72

Finding the Fourth Proportional to 326,865.68, 451,242.64 and 226,088.72

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Solution

The fourth proportional to 326,865.68, 451,242.64 and 226,088.72 is: 312,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,865.68 : 451,242.64 = 226,088.72 : x
  2. Step 2: Convert to fraction form
    326,865.68/451,242.64 = 226,088.72/x
  3. Step 3: Cross multiply
    326,865.68x = 451,242.64 × 226,088.72
  4. Step 4: Simplify right side
    326,865.68x = 102,020,870,887.02
  5. Step 5: Solve for x
    x = 102,020,870,887.02/326,865.68
  6. Step 6: Final answer
    x = 312,118.64

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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.