Home / 248,421.66-343,222.71-173,305.50

Finding the Fourth Proportional to 248,421.66, 343,222.71 and 173,305.50

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Solution

The fourth proportional to 248,421.66, 343,222.71 and 173,305.50 is: 239,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,421.66 : 343,222.71 = 173,305.50 : x
  2. Step 2: Convert to fraction form
    248,421.66/343,222.71 = 173,305.50/x
  3. Step 3: Cross multiply
    248,421.66x = 343,222.71 × 173,305.50
  4. Step 4: Simplify right side
    248,421.66x = 59,482,383,367.91
  5. Step 5: Solve for x
    x = 59,482,383,367.91/248,421.66
  6. Step 6: Final answer
    x = 239,441.21

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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.