Home / 113,276.67-169,816.58-66,431.13

Finding the Fourth Proportional to 113,276.67, 169,816.58 and 66,431.13

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Solution

The fourth proportional to 113,276.67, 169,816.58 and 66,431.13 is: 99,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,276.67 : 169,816.58 = 66,431.13 : x
  2. Step 2: Convert to fraction form
    113,276.67/169,816.58 = 66,431.13/x
  3. Step 3: Cross multiply
    113,276.67x = 169,816.58 × 66,431.13
  4. Step 4: Simplify right side
    113,276.67x = 11,281,107,302.14
  5. Step 5: Solve for x
    x = 11,281,107,302.14/113,276.67
  6. Step 6: Final answer
    x = 99,588.97

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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.