Home / 112,165.16-168,279.53-45,653.02

Finding the Fourth Proportional to 112,165.16, 168,279.53 and 45,653.02

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Solution

The fourth proportional to 112,165.16, 168,279.53 and 45,653.02 is: 68,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.16 : 168,279.53 = 45,653.02 : x
  2. Step 2: Convert to fraction form
    112,165.16/168,279.53 = 45,653.02/x
  3. Step 3: Cross multiply
    112,165.16x = 168,279.53 × 45,653.02
  4. Step 4: Simplify right side
    112,165.16x = 7,682,468,099.72
  5. Step 5: Solve for x
    x = 7,682,468,099.72/112,165.16
  6. Step 6: Final answer
    x = 68,492.47

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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.