Home / 113,635.17-170,396.19-66,266.64

Finding the Fourth Proportional to 113,635.17, 170,396.19 and 66,266.64

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Solution

The fourth proportional to 113,635.17, 170,396.19 and 66,266.64 is: 99,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,635.17 : 170,396.19 = 66,266.64 : x
  2. Step 2: Convert to fraction form
    113,635.17/170,396.19 = 66,266.64/x
  3. Step 3: Cross multiply
    113,635.17x = 170,396.19 × 66,266.64
  4. Step 4: Simplify right side
    113,635.17x = 11,291,582,980.10
  5. Step 5: Solve for x
    x = 11,291,582,980.10/113,635.17
  6. Step 6: Final answer
    x = 99,366.97

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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.