Home / 270,677.48-406,072.26-81,130.19

Finding the Fourth Proportional to 270,677.48, 406,072.26 and 81,130.19

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Solution

The fourth proportional to 270,677.48, 406,072.26 and 81,130.19 is: 121,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,677.48 : 406,072.26 = 81,130.19 : x
  2. Step 2: Convert to fraction form
    270,677.48/406,072.26 = 81,130.19/x
  3. Step 3: Cross multiply
    270,677.48x = 406,072.26 × 81,130.19
  4. Step 4: Simplify right side
    270,677.48x = 32,944,717,577.17
  5. Step 5: Solve for x
    x = 32,944,717,577.17/270,677.48
  6. Step 6: Final answer
    x = 121,712.08

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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.