Home / 122,005.04-183,022.32-43,103.12

Finding the Fourth Proportional to 122,005.04, 183,022.32 and 43,103.12

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Solution

The fourth proportional to 122,005.04, 183,022.32 and 43,103.12 is: 64,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.04 : 183,022.32 = 43,103.12 : x
  2. Step 2: Convert to fraction form
    122,005.04/183,022.32 = 43,103.12/x
  3. Step 3: Cross multiply
    122,005.04x = 183,022.32 × 43,103.12
  4. Step 4: Simplify right side
    122,005.04x = 7,888,833,021.64
  5. Step 5: Solve for x
    x = 7,888,833,021.64/122,005.04
  6. Step 6: Final answer
    x = 64,659.89

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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.