Home / 122,556.20-183,834.30-121,681.40

Finding the Fourth Proportional to 122,556.20, 183,834.30 and 121,681.40

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Solution

The fourth proportional to 122,556.20, 183,834.30 and 121,681.40 is: 182,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,556.20 : 183,834.30 = 121,681.40 : x
  2. Step 2: Convert to fraction form
    122,556.20/183,834.30 = 121,681.40/x
  3. Step 3: Cross multiply
    122,556.20x = 183,834.30 × 121,681.40
  4. Step 4: Simplify right side
    122,556.20x = 22,369,214,992.02
  5. Step 5: Solve for x
    x = 22,369,214,992.02/122,556.20
  6. Step 6: Final answer
    x = 182,522.10

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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.