Home / 277,621.20-415,848.60-152,816.40

Finding the Fourth Proportional to 277,621.20, 415,848.60 and 152,816.40

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Solution

The fourth proportional to 277,621.20, 415,848.60 and 152,816.40 is: 228,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,621.20 : 415,848.60 = 152,816.40 : x
  2. Step 2: Convert to fraction form
    277,621.20/415,848.60 = 152,816.40/x
  3. Step 3: Cross multiply
    277,621.20x = 415,848.60 × 152,816.40
  4. Step 4: Simplify right side
    277,621.20x = 63,548,485,997.04
  5. Step 5: Solve for x
    x = 63,548,485,997.04/277,621.20
  6. Step 6: Final answer
    x = 228,903.58

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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.