Home / 318,851.49-440,035.03-175,611.50

Finding the Fourth Proportional to 318,851.49, 440,035.03 and 175,611.50

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Solution

The fourth proportional to 318,851.49, 440,035.03 and 175,611.50 is: 242,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,851.49 : 440,035.03 = 175,611.50 : x
  2. Step 2: Convert to fraction form
    318,851.49/440,035.03 = 175,611.50/x
  3. Step 3: Cross multiply
    318,851.49x = 440,035.03 × 175,611.50
  4. Step 4: Simplify right side
    318,851.49x = 77,275,211,670.85
  5. Step 5: Solve for x
    x = 77,275,211,670.85/318,851.49
  6. Step 6: Final answer
    x = 242,354.87

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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.