Home / 308,850.40-463,297.20-121,837.60

Finding the Fourth Proportional to 308,850.40, 463,297.20 and 121,837.60

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Solution

The fourth proportional to 308,850.40, 463,297.20 and 121,837.60 is: 182,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850.40 : 463,297.20 = 121,837.60 : x
  2. Step 2: Convert to fraction form
    308,850.40/463,297.20 = 121,837.60/x
  3. Step 3: Cross multiply
    308,850.40x = 463,297.20 × 121,837.60
  4. Step 4: Simplify right side
    308,850.40x = 56,447,018,934.72
  5. Step 5: Solve for x
    x = 56,447,018,934.72/308,850.40
  6. Step 6: Final answer
    x = 182,764.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.