Home / 373,226.54-515,065.84-212,088.38

Finding the Fourth Proportional to 373,226.54, 515,065.84 and 212,088.38

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Solution

The fourth proportional to 373,226.54, 515,065.84 and 212,088.38 is: 292,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,226.54 : 515,065.84 = 212,088.38 : x
  2. Step 2: Convert to fraction form
    373,226.54/515,065.84 = 212,088.38/x
  3. Step 3: Cross multiply
    373,226.54x = 515,065.84 × 212,088.38
  4. Step 4: Simplify right side
    373,226.54x = 109,239,476,493.39
  5. Step 5: Solve for x
    x = 109,239,476,493.39/373,226.54
  6. Step 6: Final answer
    x = 292,689.47

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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.