Home / 229,860.24-317,214.72-139,233.12

Finding the Fourth Proportional to 229,860.24, 317,214.72 and 139,233.12

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Solution

The fourth proportional to 229,860.24, 317,214.72 and 139,233.12 is: 192,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,860.24 : 317,214.72 = 139,233.12 : x
  2. Step 2: Convert to fraction form
    229,860.24/317,214.72 = 139,233.12/x
  3. Step 3: Cross multiply
    229,860.24x = 317,214.72 × 139,233.12
  4. Step 4: Simplify right side
    229,860.24x = 44,166,795,175.53
  5. Step 5: Solve for x
    x = 44,166,795,175.53/229,860.24
  6. Step 6: Final answer
    x = 192,146.30

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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.