Home / 163,845.21-245,827.89-69,099.24

Finding the Fourth Proportional to 163,845.21, 245,827.89 and 69,099.24

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Solution

The fourth proportional to 163,845.21, 245,827.89 and 69,099.24 is: 103,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,845.21 : 245,827.89 = 69,099.24 : x
  2. Step 2: Convert to fraction form
    163,845.21/245,827.89 = 69,099.24/x
  3. Step 3: Cross multiply
    163,845.21x = 245,827.89 × 69,099.24
  4. Step 4: Simplify right side
    163,845.21x = 16,986,520,369.80
  5. Step 5: Solve for x
    x = 16,986,520,369.80/163,845.21
  6. Step 6: Final answer
    x = 103,674.20

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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.