Home / 212,808.91-293,677.19-117,313.51

Finding the Fourth Proportional to 212,808.91, 293,677.19 and 117,313.51

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Solution

The fourth proportional to 212,808.91, 293,677.19 and 117,313.51 is: 161,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,808.91 : 293,677.19 = 117,313.51 : x
  2. Step 2: Convert to fraction form
    212,808.91/293,677.19 = 117,313.51/x
  3. Step 3: Cross multiply
    212,808.91x = 293,677.19 × 117,313.51
  4. Step 4: Simplify right side
    212,808.91x = 34,452,301,379.27
  5. Step 5: Solve for x
    x = 34,452,301,379.27/212,808.91
  6. Step 6: Final answer
    x = 161,893.13

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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.