Home / 318,444.46-439,456.84-173,251.07

Finding the Fourth Proportional to 318,444.46, 439,456.84 and 173,251.07

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Solution

The fourth proportional to 318,444.46, 439,456.84 and 173,251.07 is: 239,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,444.46 : 439,456.84 = 173,251.07 : x
  2. Step 2: Convert to fraction form
    318,444.46/439,456.84 = 173,251.07/x
  3. Step 3: Cross multiply
    318,444.46x = 439,456.84 × 173,251.07
  4. Step 4: Simplify right side
    318,444.46x = 76,136,370,212.85
  5. Step 5: Solve for x
    x = 76,136,370,212.85/318,444.46
  6. Step 6: Final answer
    x = 239,088.38

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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.