Home / 318,348.14-439,311.26-175,108.17

Finding the Fourth Proportional to 318,348.14, 439,311.26 and 175,108.17

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Solution

The fourth proportional to 318,348.14, 439,311.26 and 175,108.17 is: 241,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,348.14 : 439,311.26 = 175,108.17 : x
  2. Step 2: Convert to fraction form
    318,348.14/439,311.26 = 175,108.17/x
  3. Step 3: Cross multiply
    318,348.14x = 439,311.26 × 175,108.17
  4. Step 4: Simplify right side
    318,348.14x = 76,926,989,923.45
  5. Step 5: Solve for x
    x = 76,926,989,923.45/318,348.14
  6. Step 6: Final answer
    x = 241,644.23

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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.