Home / 161,713.79-223,167.48-92,814.31

Finding the Fourth Proportional to 161,713.79, 223,167.48 and 92,814.31

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Solution

The fourth proportional to 161,713.79, 223,167.48 and 92,814.31 is: 128,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.79 : 223,167.48 = 92,814.31 : x
  2. Step 2: Convert to fraction form
    161,713.79/223,167.48 = 92,814.31/x
  3. Step 3: Cross multiply
    161,713.79x = 223,167.48 × 92,814.31
  4. Step 4: Simplify right side
    161,713.79x = 20,713,135,670.64
  5. Step 5: Solve for x
    x = 20,713,135,670.64/161,713.79
  6. Step 6: Final answer
    x = 128,085.15

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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.