Home / 122,771.20-184,044.16-39,622.40

Finding the Fourth Proportional to 122,771.20, 184,044.16 and 39,622.40

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Solution

The fourth proportional to 122,771.20, 184,044.16 and 39,622.40 is: 59,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,771.20 : 184,044.16 = 39,622.40 : x
  2. Step 2: Convert to fraction form
    122,771.20/184,044.16 = 39,622.40/x
  3. Step 3: Cross multiply
    122,771.20x = 184,044.16 × 39,622.40
  4. Step 4: Simplify right side
    122,771.20x = 7,292,271,325.18
  5. Step 5: Solve for x
    x = 7,292,271,325.18/122,771.20
  6. Step 6: Final answer
    x = 59,397.25

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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.