Home / 318,519.81-439,546.32-175,266.45

Finding the Fourth Proportional to 318,519.81, 439,546.32 and 175,266.45

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Solution

The fourth proportional to 318,519.81, 439,546.32 and 175,266.45 is: 241,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,519.81 : 439,546.32 = 175,266.45 : x
  2. Step 2: Convert to fraction form
    318,519.81/439,546.32 = 175,266.45/x
  3. Step 3: Cross multiply
    318,519.81x = 439,546.32 × 175,266.45
  4. Step 4: Simplify right side
    318,519.81x = 77,037,723,116.96
  5. Step 5: Solve for x
    x = 77,037,723,116.96/318,519.81
  6. Step 6: Final answer
    x = 241,861.64

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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.