Home / 256,860.28-385,450.80-184,820.50

Finding the Fourth Proportional to 256,860.28, 385,450.80 and 184,820.50

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Solution

The fourth proportional to 256,860.28, 385,450.80 and 184,820.50 is: 277,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,860.28 : 385,450.80 = 184,820.50 : x
  2. Step 2: Convert to fraction form
    256,860.28/385,450.80 = 184,820.50/x
  3. Step 3: Cross multiply
    256,860.28x = 385,450.80 × 184,820.50
  4. Step 4: Simplify right side
    256,860.28x = 71,239,209,581.40
  5. Step 5: Solve for x
    x = 71,239,209,581.40/256,860.28
  6. Step 6: Final answer
    x = 277,346.15

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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.