Home / 236,478.76-326,381.22-225,849.64

Finding the Fourth Proportional to 236,478.76, 326,381.22 and 225,849.64

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Solution

The fourth proportional to 236,478.76, 326,381.22 and 225,849.64 is: 311,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,478.76 : 326,381.22 = 225,849.64 : x
  2. Step 2: Convert to fraction form
    236,478.76/326,381.22 = 225,849.64/x
  3. Step 3: Cross multiply
    236,478.76x = 326,381.22 × 225,849.64
  4. Step 4: Simplify right side
    236,478.76x = 73,713,081,039.76
  5. Step 5: Solve for x
    x = 73,713,081,039.76/236,478.76
  6. Step 6: Final answer
    x = 311,711.21

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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.