Home / 278,523.60-384,363.04-151,199.12

Finding the Fourth Proportional to 278,523.60, 384,363.04 and 151,199.12

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Solution

The fourth proportional to 278,523.60, 384,363.04 and 151,199.12 is: 208,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,523.60 : 384,363.04 = 151,199.12 : x
  2. Step 2: Convert to fraction form
    278,523.60/384,363.04 = 151,199.12/x
  3. Step 3: Cross multiply
    278,523.60x = 384,363.04 × 151,199.12
  4. Step 4: Simplify right side
    278,523.60x = 58,115,353,408.52
  5. Step 5: Solve for x
    x = 58,115,353,408.52/278,523.60
  6. Step 6: Final answer
    x = 208,655.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.