Home / 151,742.08-209,404.08-84,674.08

Finding the Fourth Proportional to 151,742.08, 209,404.08 and 84,674.08

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Solution

The fourth proportional to 151,742.08, 209,404.08 and 84,674.08 is: 116,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,742.08 : 209,404.08 = 84,674.08 : x
  2. Step 2: Convert to fraction form
    151,742.08/209,404.08 = 84,674.08/x
  3. Step 3: Cross multiply
    151,742.08x = 209,404.08 × 84,674.08
  4. Step 4: Simplify right side
    151,742.08x = 17,731,097,822.25
  5. Step 5: Solve for x
    x = 17,731,097,822.25/151,742.08
  6. Step 6: Final answer
    x = 116,850.24

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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.