Home / 284,178.39-392,163.68-156,851.25

Finding the Fourth Proportional to 284,178.39, 392,163.68 and 156,851.25

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Solution

The fourth proportional to 284,178.39, 392,163.68 and 156,851.25 is: 216,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,178.39 : 392,163.68 = 156,851.25 : x
  2. Step 2: Convert to fraction form
    284,178.39/392,163.68 = 156,851.25/x
  3. Step 3: Cross multiply
    284,178.39x = 392,163.68 × 156,851.25
  4. Step 4: Simplify right side
    284,178.39x = 61,511,362,628.34
  5. Step 5: Solve for x
    x = 61,511,362,628.34/284,178.39
  6. Step 6: Final answer
    x = 216,453.34

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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.