Home / 145,063.72-217,551.84-56,297.44

Finding the Fourth Proportional to 145,063.72, 217,551.84 and 56,297.44

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Solution

The fourth proportional to 145,063.72, 217,551.84 and 56,297.44 is: 84,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,063.72 : 217,551.84 = 56,297.44 : x
  2. Step 2: Convert to fraction form
    145,063.72/217,551.84 = 56,297.44/x
  3. Step 3: Cross multiply
    145,063.72x = 217,551.84 × 56,297.44
  4. Step 4: Simplify right side
    145,063.72x = 12,247,611,659.29
  5. Step 5: Solve for x
    x = 12,247,611,659.29/145,063.72
  6. Step 6: Final answer
    x = 84,429.19

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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.