Home / 309,394.39-426,938.17-171,577.27

Finding the Fourth Proportional to 309,394.39, 426,938.17 and 171,577.27

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Solution

The fourth proportional to 309,394.39, 426,938.17 and 171,577.27 is: 236,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,394.39 : 426,938.17 = 171,577.27 : x
  2. Step 2: Convert to fraction form
    309,394.39/426,938.17 = 171,577.27/x
  3. Step 3: Cross multiply
    309,394.39x = 426,938.17 × 171,577.27
  4. Step 4: Simplify right side
    309,394.39x = 73,252,885,667.40
  5. Step 5: Solve for x
    x = 73,252,885,667.40/309,394.39
  6. Step 6: Final answer
    x = 236,762.17

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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.