Home / 256,239.03-384,024.12-185,400.28

Finding the Fourth Proportional to 256,239.03, 384,024.12 and 185,400.28

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Solution

The fourth proportional to 256,239.03, 384,024.12 and 185,400.28 is: 277,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,239.03 : 384,024.12 = 185,400.28 : x
  2. Step 2: Convert to fraction form
    256,239.03/384,024.12 = 185,400.28/x
  3. Step 3: Cross multiply
    256,239.03x = 384,024.12 × 185,400.28
  4. Step 4: Simplify right side
    256,239.03x = 71,198,179,374.75
  5. Step 5: Solve for x
    x = 71,198,179,374.75/256,239.03
  6. Step 6: Final answer
    x = 277,858.45

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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.