Home / 256,983.14-354,631.10-140,696.36

Finding the Fourth Proportional to 256,983.14, 354,631.10 and 140,696.36

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Solution

The fourth proportional to 256,983.14, 354,631.10 and 140,696.36 is: 194,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,983.14 : 354,631.10 = 140,696.36 : x
  2. Step 2: Convert to fraction form
    256,983.14/354,631.10 = 140,696.36/x
  3. Step 3: Cross multiply
    256,983.14x = 354,631.10 × 140,696.36
  4. Step 4: Simplify right side
    256,983.14x = 49,895,302,436.16
  5. Step 5: Solve for x
    x = 49,895,302,436.16/256,983.14
  6. Step 6: Final answer
    x = 194,157.89

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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.