Home / 284,941.48-393,047.88-188,146.20

Finding the Fourth Proportional to 284,941.48, 393,047.88 and 188,146.20

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Solution

The fourth proportional to 284,941.48, 393,047.88 and 188,146.20 is: 259,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,941.48 : 393,047.88 = 188,146.20 : x
  2. Step 2: Convert to fraction form
    284,941.48/393,047.88 = 188,146.20/x
  3. Step 3: Cross multiply
    284,941.48x = 393,047.88 × 188,146.20
  4. Step 4: Simplify right side
    284,941.48x = 73,950,465,040.06
  5. Step 5: Solve for x
    x = 73,950,465,040.06/284,941.48
  6. Step 6: Final answer
    x = 259,528.61

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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.