Home / 122,587.40-183,881.10-43,704.20

Finding the Fourth Proportional to 122,587.40, 183,881.10 and 43,704.20

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Solution

The fourth proportional to 122,587.40, 183,881.10 and 43,704.20 is: 65,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,587.40 : 183,881.10 = 43,704.20 : x
  2. Step 2: Convert to fraction form
    122,587.40/183,881.10 = 43,704.20/x
  3. Step 3: Cross multiply
    122,587.40x = 183,881.10 × 43,704.20
  4. Step 4: Simplify right side
    122,587.40x = 8,036,376,370.62
  5. Step 5: Solve for x
    x = 8,036,376,370.62/122,587.40
  6. Step 6: Final answer
    x = 65,556.30

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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.