Home / 256,233.90-384,460.20-123,045.60

Finding the Fourth Proportional to 256,233.90, 384,460.20 and 123,045.60

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Solution

The fourth proportional to 256,233.90, 384,460.20 and 123,045.60 is: 184,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,233.90 : 384,460.20 = 123,045.60 : x
  2. Step 2: Convert to fraction form
    256,233.90/384,460.20 = 123,045.60/x
  3. Step 3: Cross multiply
    256,233.90x = 384,460.20 × 123,045.60
  4. Step 4: Simplify right side
    256,233.90x = 47,306,135,985.12
  5. Step 5: Solve for x
    x = 47,306,135,985.12/256,233.90
  6. Step 6: Final answer
    x = 184,620.91

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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.