Home / 122,457.29-183,514.86-66,176.06

Finding the Fourth Proportional to 122,457.29, 183,514.86 and 66,176.06

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Solution

The fourth proportional to 122,457.29, 183,514.86 and 66,176.06 is: 99,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,457.29 : 183,514.86 = 66,176.06 : x
  2. Step 2: Convert to fraction form
    122,457.29/183,514.86 = 66,176.06/x
  3. Step 3: Cross multiply
    122,457.29x = 183,514.86 × 66,176.06
  4. Step 4: Simplify right side
    122,457.29x = 12,144,289,468.68
  5. Step 5: Solve for x
    x = 12,144,289,468.68/122,457.29
  6. Step 6: Final answer
    x = 99,171.64

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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.