Home / 256,200.36-384,534.90-129,927.75

Finding the Fourth Proportional to 256,200.36, 384,534.90 and 129,927.75

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Solution

The fourth proportional to 256,200.36, 384,534.90 and 129,927.75 is: 195,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,200.36 : 384,534.90 = 129,927.75 : x
  2. Step 2: Convert to fraction form
    256,200.36/384,534.90 = 129,927.75/x
  3. Step 3: Cross multiply
    256,200.36x = 384,534.90 × 129,927.75
  4. Step 4: Simplify right side
    256,200.36x = 49,961,754,353.48
  5. Step 5: Solve for x
    x = 49,961,754,353.48/256,200.36
  6. Step 6: Final answer
    x = 195,010.48

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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.