Home / 122,585.36-183,910.84-66,412.24

Finding the Fourth Proportional to 122,585.36, 183,910.84 and 66,412.24

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Solution

The fourth proportional to 122,585.36, 183,910.84 and 66,412.24 is: 99,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,585.36 : 183,910.84 = 66,412.24 : x
  2. Step 2: Convert to fraction form
    122,585.36/183,910.84 = 66,412.24/x
  3. Step 3: Cross multiply
    122,585.36x = 183,910.84 × 66,412.24
  4. Step 4: Simplify right side
    122,585.36x = 12,213,930,844.68
  5. Step 5: Solve for x
    x = 12,213,930,844.68/122,585.36
  6. Step 6: Final answer
    x = 99,636.13

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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.