Home / 184,985.40-277,478.10-66,660.60

Finding the Fourth Proportional to 184,985.40, 277,478.10 and 66,660.60

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Solution

The fourth proportional to 184,985.40, 277,478.10 and 66,660.60 is: 99,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,985.40 : 277,478.10 = 66,660.60 : x
  2. Step 2: Convert to fraction form
    184,985.40/277,478.10 = 66,660.60/x
  3. Step 3: Cross multiply
    184,985.40x = 277,478.10 × 66,660.60
  4. Step 4: Simplify right side
    184,985.40x = 18,496,856,632.86
  5. Step 5: Solve for x
    x = 18,496,856,632.86/184,985.40
  6. Step 6: Final answer
    x = 99,990.90

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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.