Home / 117,916.03-162,914.93-82,265.19

Finding the Fourth Proportional to 117,916.03, 162,914.93 and 82,265.19

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Solution

The fourth proportional to 117,916.03, 162,914.93 and 82,265.19 is: 113,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,916.03 : 162,914.93 = 82,265.19 : x
  2. Step 2: Convert to fraction form
    117,916.03/162,914.93 = 82,265.19/x
  3. Step 3: Cross multiply
    117,916.03x = 162,914.93 × 82,265.19
  4. Step 4: Simplify right side
    117,916.03x = 13,402,227,670.29
  5. Step 5: Solve for x
    x = 13,402,227,670.29/117,916.03
  6. Step 6: Final answer
    x = 113,659.08

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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.