Home / 256,533.36-384,805.98-88,052.28

Finding the Fourth Proportional to 256,533.36, 384,805.98 and 88,052.28

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Solution

The fourth proportional to 256,533.36, 384,805.98 and 88,052.28 is: 132,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,533.36 : 384,805.98 = 88,052.28 : x
  2. Step 2: Convert to fraction form
    256,533.36/384,805.98 = 88,052.28/x
  3. Step 3: Cross multiply
    256,533.36x = 384,805.98 × 88,052.28
  4. Step 4: Simplify right side
    256,533.36x = 33,883,043,896.63
  5. Step 5: Solve for x
    x = 33,883,043,896.63/256,533.36
  6. Step 6: Final answer
    x = 132,080.46

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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.