Home / 318,358.62-439,349.67-175,116.06

Finding the Fourth Proportional to 318,358.62, 439,349.67 and 175,116.06

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Solution

The fourth proportional to 318,358.62, 439,349.67 and 175,116.06 is: 241,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,358.62 : 439,349.67 = 175,116.06 : x
  2. Step 2: Convert to fraction form
    318,358.62/439,349.67 = 175,116.06/x
  3. Step 3: Cross multiply
    318,358.62x = 439,349.67 × 175,116.06
  4. Step 4: Simplify right side
    318,358.62x = 76,937,183,172.70
  5. Step 5: Solve for x
    x = 76,937,183,172.70/318,358.62
  6. Step 6: Final answer
    x = 241,668.29

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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.