Home / 113,209.28-169,835.84-43,083.20

Finding the Fourth Proportional to 113,209.28, 169,835.84 and 43,083.20

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Solution

The fourth proportional to 113,209.28, 169,835.84 and 43,083.20 is: 64,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,209.28 : 169,835.84 = 43,083.20 : x
  2. Step 2: Convert to fraction form
    113,209.28/169,835.84 = 43,083.20/x
  3. Step 3: Cross multiply
    113,209.28x = 169,835.84 × 43,083.20
  4. Step 4: Simplify right side
    113,209.28x = 7,317,071,461.89
  5. Step 5: Solve for x
    x = 7,317,071,461.89/113,209.28
  6. Step 6: Final answer
    x = 64,633.14

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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.