Home / 117,103.13-161,624.21-66,802.13

Finding the Fourth Proportional to 117,103.13, 161,624.21 and 66,802.13

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Solution

The fourth proportional to 117,103.13, 161,624.21 and 66,802.13 is: 92,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,103.13 : 161,624.21 = 66,802.13 : x
  2. Step 2: Convert to fraction form
    117,103.13/161,624.21 = 66,802.13/x
  3. Step 3: Cross multiply
    117,103.13x = 161,624.21 × 66,802.13
  4. Step 4: Simplify right side
    117,103.13x = 10,796,840,345.44
  5. Step 5: Solve for x
    x = 10,796,840,345.44/117,103.13
  6. Step 6: Final answer
    x = 92,199.42

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1.5x scale

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.