Home / 151,742.94-209,416.87-83,773.04

Finding the Fourth Proportional to 151,742.94, 209,416.87 and 83,773.04

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Solution

The fourth proportional to 151,742.94, 209,416.87 and 83,773.04 is: 115,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,742.94 : 209,416.87 = 83,773.04 : x
  2. Step 2: Convert to fraction form
    151,742.94/209,416.87 = 83,773.04/x
  3. Step 3: Cross multiply
    151,742.94x = 209,416.87 × 83,773.04
  4. Step 4: Simplify right side
    151,742.94x = 17,543,486,649.21
  5. Step 5: Solve for x
    x = 17,543,486,649.21/151,742.94
  6. Step 6: Final answer
    x = 115,613.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.