Home / 123,457.10-185,166.68-39,206.33

Finding the Fourth Proportional to 123,457.10, 185,166.68 and 39,206.33

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Solution

The fourth proportional to 123,457.10, 185,166.68 and 39,206.33 is: 58,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,457.10 : 185,166.68 = 39,206.33 : x
  2. Step 2: Convert to fraction form
    123,457.10/185,166.68 = 39,206.33/x
  3. Step 3: Cross multiply
    123,457.10x = 185,166.68 × 39,206.33
  4. Step 4: Simplify right side
    123,457.10x = 7,259,705,533.59
  5. Step 5: Solve for x
    x = 7,259,705,533.59/123,457.10
  6. Step 6: Final answer
    x = 58,803.47

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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.